Ventricle ventricular function right. Medical search. Frequent questions

In addition to this insufficient valve, some patients also have a partly obstructed right ventricular outflow tract. (rug.nl)
Then you have the isovolumic contraction period, and then the aortic valve click demonstrating the aortic valve opening, followed by the ejection period, during which you have the continuous-wave Doppler signal through the left ventricular outflow tract (LVOT) and the aorta. (medscape.com)
The syndrome is caused by changes in the structure and function of certain cardiac ion channels and reduced expression of Connexin 43 (Cx43) in the Right Ventricle (RV), predominantly in the Right Ventricular Outflow Tract (VSVD), causing electromechanical abnormalities. (bvsalud.org)

The mean values of right ventricular fractional area change (RVFAC), tricuspid annular plane systolic excursion (TAPSE), right ventricular ejection fraction (RVEF), right myocardial performance index (RMPI), and tricuspid annular plane systolic speed (S') were compared between patients after COVID-19 rehabilitation and healthy subjects. (hindawi.com)
The elastance is greatest at the end of ventricular ejection and in a pure sense can be taken to define end systole. (bmj.com)
A useful approximation, however, is to derive an arterial elastance (Ea) which is simply systolic pressure divided by the volume accommodated during a single ejection (the ventricular stroke volume). (bmj.com)
A transthoracic echocardiogram showed normal left ventricular systolic function, with a 60%-to-65% ejection fraction, a normal left ventricular size and wall thickness, a normal right ventricle, and all normal valves. (medscape.com)
Intracardiac pressures, pulmonary vascular resistance, and cardiac magnetic resonance imaging-derived ventricular volume and ejection fraction were measured. (elsevierpure.com)
In cardiovascular physiology , ejection fraction ( E f ) is the fraction of blood pumped out of a ventricle with each heart beat . (wikidoc.org)
one can speak equally of the left ventricular ejection fraction (LVEF) and the right ventricular ejection fraction (RVEF). (wikidoc.org)
Without a qualifier, the term ejection fraction refers specifically to that of the left ventricle. (wikidoc.org)
Right ventricular volumes being roughly equal to those of the left ventricle, the ejection fraction of the right ventricle is normally equal to that of the left ventricle within narrow limits. (wikidoc.org)
To determine prospectively whether the severity of reversible left ventricular ischemia provides prognostic information in mildly symptomatic patients with coronary-artery disease and preserved left ventricular function at rest (ejection fraction greater than 40 percent), we studied 117 patients by means of exercise electrocardiography and radionuclide angiography. (northwestern.edu)
However, patients with a reduced left ventricular ejection fraction (LVEF) at baseline suffer more consequences. (acc.org)
After distinguishing the group with the preserved and decreased left ventricle ejection fraction, the value of the DP increase was still higher compared to the control group. (hindawi.com)
The mean DP increase corresponding to one meter of walk was the only one that correlated negatively with the left ventricular ejection fraction. (hindawi.com)
The beneficial prognostic role of the 6MWT was demonstrated in patients with heart failure and low left ventricular ejection fraction [ 16 - 18 ]. (hindawi.com)
Right ventricular end-diastolic volume (RVEDV), right ventricular end-systolic volume (RVESV), and ejection fraction (EF) were calculated with the single-plane subtraction method. (elsevierpure.com)
Again, the LV systolic function I would consider at the lower limit of normal with the ejection fraction (EF) at 55%, just eyeballing it. (medscape.com)

We evaluated whether left ventricular contractile reserve (CR), measured with strain imaging on dobutamine echocardiography (DSE), is a reliable non-invasive measure of coronary microvascular function. (nih.gov)
This research was aimed at exploring the changes in right ventricular function in patients after the recovery of coronavirus disease 2019 (COVID-19) under echocardiography and providing a reference for the rehabilitation and treatment of COVID-19 patients. (hindawi.com)
Echocardiography is one of the most commonly used examination methods to assess cardiac structure and function and plays a crucial role in the diagnosis, disease evaluation, and prognosis evaluation of cardiovascular diseases [ 11 , 12 ]. (hindawi.com)
14 ] analyzed the potential role of echocardiography in the current critical period and short and long term of COVID-19 and found that echocardiography has an important role in the assessment of cardiac function in COVID-19. (hindawi.com)
Background: Since hyperthyroidism could be associated with right ventricular dysfunction, this study intended to investigate right ventricular (RV) function using strain echocardiography in hyperthyroid patients both at rest and in maximum-stress conditions. (ac.ir)
Smith A, Molloy E, Miletin J, Curley A, Balfe J, Orla F, EL-Khuffash A, 'Longitudinal assessment of cardiac function in infants with Down's syndrome using novel echocardiography techniques-project protocol. (tcd.ie)
1 Echocardiography is recommended in patients with ventricular arrhythmias who are suspected of having structural heart disease. (wikidoc.org)
2 Echocardiography is recommended for the subset of patients at high risk for the development of serious ventricular arrhythmias or SCD, such as those with dilated, hypertrophic, or RV cardiomyopathies, AMI survivors, or relatives of patients with inherited disorders associated with SCD. (wikidoc.org)
3 Exercise testing with an imaging modality (echocardiography or nuclear perfusion [single-photon emission computed tomography (SPECT)]) is recommended to detect silent ischemia in patients with ventricular arrhythmias who have an intermediate probability of having CHD by age, symptoms, and gender and in whom ECG assessment is less reliable because of digoxin use, LVH, greater than 1-mm ST-segment depression at rest, WPW syndrome, or LBBB. (wikidoc.org)
4 Pharmacological stress testing with an imaging modality (echocardiography or myocardial perfusion SPECT) is recommended to detect silent ischemia in patients with ventricular arrhythmias who have an intermediate probability of having CHD by age, symptoms, and gender and are physically unable to perform a symptomlimited exercise test. (wikidoc.org)
This study is to correlate the results of Magnetic Resonance Imaging determination of cardiac chamber volumes and their associated functional parameters, (such as stroke volumes, ventricular filling and contraction rates) with those obtained by routinely utilized clinical Echocardiography and Nuclear Medicine techniques. (upstate.edu)
The Magnetic Resonance techniques are exactly the same for evaluation of right and left cardiac chamber function, so that significant correlation with data obtained by echocardiography and nuclear medicine (currently accepted as non-invasive ''gold standards'') in regard to left ventricular function parameters implies that a similar level of clinical accuracy would apply for that of the right ventricle (despite no non-invasive gold standard being available for that structure). (upstate.edu)
Transthoracic echocardiography revealed moderate enlargement of the right ventricle and right atrium with preserved left ventricular function. (alliedacademies.org)
Therefore, we tested the hypothesis that CFR assessed by transthoracic echocardiography is associated with LV diastolic function in patients with type 2 diabetes without a history of heart failure. (biomedcentral.com)
Echocardiography by catheterization, and this confirmed ies from the aorta and the other arises revealed a dilated right heart with grade the diagnosis of left hemitruncus (Fig- normally from the right ventricles in the 4 tricuspid regurgitation. (who.int)

Kuwahara Y, Takahashi Y, Komori Y, Kabuto N, Wada N. Neonatal intra-atrial baffle repair for isolated ventricular inversion with left isomerism: a case report. (medscape.com)
Morphologic findings include atrial enlargement without increased ventricular wall thickness or ventricular cavity dilation, the absence of eosinophilic infiltration, and the absence of pericardial disease. (medscape.com)
This is probably related to decreased compliance of the ventricle and ultimately results in the development of atrial dilatation. (medscape.com)
Mensuration of the atrial and ventricular chamber volume changes during the cardiac cycle in volunteers. (upstate.edu)
It comprises an atrial septectomy to allow free mixing of the systemic and pulmonary venous return, using the main pulmonary artery to establish flow from the right ventricle to aorta and providing a Goretex shunt between the innominate or right subclavian artery and the branch pulmonary arteries. (bmj.com)
Her survival and function was secondary to an innate large atrial and ventricular communication with normal left ventricle, mitral, aortic and pulmonary valves, indicating Fontan may not be needed in all structural anatomic cases of tricuspid atresia. (uwi.edu)
Patients may develop persistent atrial tachycardia, complex ventricular ectopy, or syncope requiring electrophysiologic studies. (medscape.com)
endocarditis, atrial and ventricular mu- ing treatment of coronary embolism. (who.int)

Heterogeneous clinical features include diminished systolic function sometimes associated with left ventricular dilation, that presents either neonatally or progressively. (mcw.edu)

A reduction of PBF also decreases the total blood volume returning to the LV (or the systemic ventricle) and often improves ventricular function. (medscape.com)
Under the in vivo state where the RV was pressure-overloaded, we measured reduced systemic blood pressure and LV ventricular pressure. (frontiersin.org)
It comprises three operations (Norwood stages I, II, and III) that establish the right ventricle as the systemic chamber. (bmj.com)
The systemic and pulmonary circulations are both supplied by the right ventricle. (bmj.com)
The systemic circulation is now supported directly by the right ventricle and pulmonary blood flow is dependent on the shunt. (bmj.com)
After repair, children with double outlet right ventricle (DORV) are often treated with systemic afterload reduction using ACE inhibitors for several months to assist in cardiac remodeling. (medscape.com)

While metabolic dysfunction occurs in several pulmonary arterial hypertension (PAH) animal models, its role in the human hypertensive right ventricle (RV) and lung is not well characterised. (nih.gov)
The morphologic left ventricle that requires training by means of pulmonary artery banding before the double-switch procedure for congenitally corrected transposition of the great arteries is at risk of late dysfunction. (medscape.com)
Oxidative stress and mitochondrial dysfunction are important mechanisms of ventricular remodeling, predisposed to the development of diabetic cardiomyopathy (DCM) in type 2 diabetes mellitus. (mdpi.com)
With recent evidence demonstrating the critical role of RV in a number of disorders, including pulmonary hypertension (PH), congenital heart disease, ischemic heart disease, and left ventricular (LV) dysfunction prognosis, the determination of the RV feature becomes quickly essential in clinical practice. (ac.ir)
15 An echocardiogram of heart function revealed that thyroid dysfunction could have a negative impact on left ventricular function. (ac.ir)
Emergency physician Dr. Tom Cook will teach ultrasound techniques to accurately assess signs of right ventricular strain and dysfunction in patients with chest pain, dyspnea, or unstable vitals. (hesem.gr)
Dr. Cook will give you the tools you need to quickly, accurately, and reliably determine whether the right ventricle is showing signs of dysfunction or increased pressure. (hesem.gr)
Left ventricular (LV) diastolic dysfunction is known as an early marker of myocardial alterations in patients with diabetes. (biomedcentral.com)
Because microvascular disease has been regarded as an important cause of heart failure or diastolic dysfunction in diabetic patients, we tested the hypothesis that coronary flow reserve (CFR), which reflects coronary microvascular function, is associated with LV diastolic dysfunction in patients with type 2 diabetes. (biomedcentral.com)
The Fontan circulation has burdens of multisystem abnormalities, including ventricular dysfunction (72%), dysrhythmias (40%) and renal, hepatic, gastrointestinal and pulmonary complications. (uwi.edu)
If patients undergo surgery for repair at an older age, they often develop ventricular dysfunction and elevation of pulmonary artery pressures. (medscape.com)
Patients, especially those undergoing complex repair, can develop postoperative ventricular dysfunction associated with residual VSD, aortic insufficiency, atrioventricular valve insufficiency, and prolonged circulatory arrest at repair. (medscape.com)

Restrictive cardiomyopathy (RCM) is a rare disorder in children that is characterized by restrictive filling and reduced diastolic volume of one or both ventricles with normal or near-normal systolic function and wall thickness. (medscape.com)
Typical hemodynamic characteristics include normal systolic function and equalization of increased ventricular end-diastolic pressures. (medscape.com)
In a maximal stress situation, we found that among the RV function indices, RV global longitudinal strain (P=0.0001), systolic strain rate (P=0.0001), diastolic strain rate (P=0.0002), and tricuspid annular plane systolic excursion (P=0.019) were reduced significantly in the hyperthyroid patients compared to the control group. (ac.ir)
Thyroid hormones have significant effects on the heart and cardiovascular system, and hyperthyroidism affects left ventricular systolic and diastolic function differently. (ac.ir)
By definition, the volume of blood within a ventricle immediately before a contraction is known as the end-diastolic volume . (wikidoc.org)
following percutaneous pulmonary valve implantation, LV systolic and diastolic functions have been shown to be improved and even normalized. (frontiersin.org)
The ratio of mitral velocity to early diastolic velocity of the mitral annulus (E/e′) was used as a surrogate marker of diastolic function. (biomedcentral.com)
This result suggests a possible link between coronary microvascular disease and LV diastolic function in these subjects. (biomedcentral.com)
Similar relationships have been demonstrated for patients with heart failure and preserved left ventricular diastolic function [ 19 ]. (hindawi.com)
Unlike MMA-HS, GMA-MS only affected left ventricular end-diastolic pressure in response to ISO at 7 days post-treatment. (cdc.gov)

Cardiac anatomy plays a crucial role in determining cardiac function. (plos.org)
We performed a global sensitivity analysis to identify the different modes responsible for different simulated electrical and mechanical measures of cardiac function. (plos.org)
These changes can in turn have significant impact on cardiac function. (plos.org)
This highlights the need to have high fidelity anatomical models in cardiac simulations and demonstrates that subtle changes in cardiac anatomy can have a large impact on cardiac function. (plos.org)
He recently completed a study assessing cardiac function and carotid atherosclerosis in Indian Asian vs European Whites which may clarify the differential outcome in these two ethnic groups. (imperial.ac.uk)
Torsion did not significantly correlate with other echocardiographic, catheter-based, or cardiac magnetic resonance imaging measures of cardiac function. (elsevierpure.com)
In order to better understand the effect of CRT on the cardiac function, a biventricular pacemaker was implanted in healthy dogs and in dogs with induced heart failure. (umontreal.ca)
Full spectrum evaluation of myocardial perfusion for a thorough assessment of hemodynamic relevance with syngo .CT Cardiac Function - Enhancement. (siemens-healthineers.com)
The CT Cardio-Vascular Engine with syngo .CT Cardiac Function - Valve Pilot offers you zero-delay display and zero-click quantitative assessment of the aortic annulus - for precise and reproducible TAVI planning results. (siemens-healthineers.com)

An isolated bicuspid aortic valve (BAV) is associated with structural and functional abnormalities of the aorta and the left ventricle (LV). (techscience.com)
Although ~50% of patients with aortic coarctation (CoA) have a BAV, less is known about its impact on LV function and aortic geometry and function in CoA patients. (techscience.com)
In this cardiovascular magnetic resonance imaging (CMR) study, we analysed markers of LV and aortic function as well as aortic geometry in a large cohort of CoA patients with a BAV and compared them with CoA patients with a tricuspid aortic valve (TAV). (techscience.com)

Finally, ventricular arrhythmias and defibrillator shocks may compromise RV function. (acc.org)

RCM may manifest as a solitary abnormality, although restrictive filling patterns of the left ventricle can also be seen in patients with dilated or hypertrophic cardiomyopathy. (medscape.com)

A coronary fistula creates a left-to-right shunt eventually leading to ventricular overload and congestive heart failure. (alliedacademies.org)

Dandy-Walker malformation (DWM) is a rare congenital malformation that involves the cerebellum and fourth ventricle. (medscape.com)
and a cystic dilatation of the fourth ventricle that nearly fills the entire posterior fossa. (medscape.com)
Dandy-Walker variant (see the image below) consists of vermian hypoplasia and cystic dilatation of the fourth ventricle, without enlargement of the posterior fossa. (medscape.com)
The fourth ventricle is slightly enlarged, but the posterior fossa typically is normal in size. (medscape.com)
Mega cisterna magna (see the image below) consists of an enlarged posterior fossa secondary to an enlarged cisterna magna, with a normal cerebellar vermis and fourth ventricle. (medscape.com)
This sagittal T1-weighted MRI shows a large retrocerebellar cerebrospinal fluid collection and a normal fourth ventricle and vermis in a patient with mega cisterna magna in Dandy-Walker malformation. (medscape.com)
True retrocerebellar arachnoid cysts displace the fourth ventricle and cerebellum anteriorly and show significant mass effect. (medscape.com)
The sagittal T1-weighted MRI shows a large posterior fossa cyst that is compressing the cerebellar hemispheres, vermis, fourth ventricle (arrow), and brainstem. (medscape.com)
The cerebral aqueduct runs from the third ventricle to the fourth ventricle, as it is part of the ventricular system. (databasefootball.com)

The CT Cardio-Vascular Engine helps you in more demanding cases by adding incremental information for your diagnosis and supports you with a powerful set of intelligent tools - for example: By enabling you to conduct a thorough analysis of the right ventricle, myocardial perfusion based on its enhancement or by facilitating the evaluation of quantitative dynamic CT myocardial perfusion results 1 . (siemens-healthineers.com)

Tricuspid regurgitation (TR) - a debilitating, progressive and life-threatening condition in which the valve between the two right-sided chambers (right ventricle and right atrium) does not close properly. (delraymedicalctr.com)
The index case is the oldest documented report of tricuspid atresia with rudimentary right ventricle and concordant ventriculo-arterial connections, 18 years post Glen only, from two years of age. (uwi.edu)
Chronic tricuspid regurgitation (TR) may lead to impairment in right ventricular (RV) function. (elsevierpure.com)
These results demonstrate significant remodeling of the right ventricle with reduction in size and improved EF after tricuspid valve surgery. (elsevierpure.com)

[ 1 ] In this report, Muller and Danimann described palliation by the "creation of pulmonary stenosis" in a 5-month-old infant who had a large ventricular septal defect (VSD) and pulmonary overcirculation. (medscape.com)
Second, it is challenged by altered geometry with septal shift towards the left ventricular cavity due to unloading by the device. (acc.org)
Some patients develop restrictive ventricular septal defect (VSD) and require reoperation. (medscape.com)

The increased workload of the RV then initiates RV hypertrophy, and sustained hypertrophy subsequently leads to right-ventricular failure (RVF). (frontiersin.org)
Additional autopsy findings included coronary artery disease, cardiomegaly (enlarged heart), and left ventricular hypertrophy (LVH). (cdc.gov)

Mitral regurgitation (MR) - a debilitating, progressive and life-threatening condition in which the valve between the two left-sided chambers (left ventricle and left atrium) does not close properly, causing a backward flow of blood into the heart. (delraymedicalctr.com)
Coronary sinus, normally located between the LEFT ATRIUM and LEFT VENTRICLE on the posterior surface of the heart, can serve as an anatomical reference for cardiac procedures. (bvsalud.org)

In a recent issue of Heart , Popovic and colleagues describe some simple observations about changes in ventricular pressures and volumes before and after the Batista procedure. (bmj.com)
This thesis investigated the influence of several methods to measure right ventricular volumes, as well as how to interpret right ventricular volumes and function in patients with different congenital heart diseases. (rug.nl)
Papillary muscles and trabeculae, which are the muscles connected to the heart valves and small muscles on the inside of the heart, are often considered to be part of the blood volume because it is difficult to separate these muscles from blood when measuring right ventricular volumes. (rug.nl)
Patients with this obstruction have smaller right ventricular volumes, but exercise capacity is lower. (rug.nl)

Holmberg, J "Acute limb ischemia from embolization of left ventricular pseudoaneurysm thrombus: a rare case report. (creighton.edu)
Thus, objective evidence of left ventricular ischemia during exercise and exercise capacity identify one subgroup of minimally symptomatic patients with three-vessel disease with an excellent prognosis and another subgroup at relatively high risk of dying during subsequent medical therapy. (northwestern.edu)

Coronary microvascular function has important diagnostic and prognostic implications but routine assessment is difficult. (nih.gov)

The results of a two-stage double switch operation for congenital corrected transposition of the great arteries with a deconditioned morphologically left ventricle. (medscape.com)
Rare congenital cardiomyopathies characterized by the lack of left ventricular myocardium compaction. (mcw.edu)
In adulthood many patients with congenital heart disease develop complications of the right ventricle. (rug.nl)

The history in patients with ventricular inversion reflects associated heart defects, including conduction abnormalities. (medscape.com)
In ventricular inversion this causes P 2 to occur earlier than in a healthy, normal heart. (medscape.com)
Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a form of heart disease that usually appears in adulthood. (medlineplus.gov)
These changes primarily affect the myocardium surrounding the right ventricle, one of the two lower chambers of the heart. (medlineplus.gov)
As this abnormal tissue builds up, the walls of the right ventricle become stretched out, preventing the heart from pumping blood effectively. (medlineplus.gov)
These genes have a variety of functions, including cell signaling, providing structure and stability to heart muscle cells, and helping to maintain a normal heart rhythm. (medlineplus.gov)
Biophysical computational models of the heart provide a quantitative framework for mapping changes in anatomy to whole heart function. (plos.org)
Acute right ventricular (RV) failure occurs in multiple settings, including acute myocardial infarction (MI), fulminant myocarditis, acute decompensated heart failure, acute pulmonary embolism, decompensated pulmonary hypertension, following cardiac transplant, and in post-cardiotomy shock. (acc.org)
With the rapid rise in left ventricular assist device (LVAD) utilization for patients with advanced heart failure, one increasingly common scenario in which RV failure is encountered is following LVAD implantation. (acc.org)
Experts define the apex of the heart by the left ventricular (LV) apex and the right ventricular (RV) apex. (medicalnewstoday.com)
The apex of the heart is at the tip of the left and right ventricles. (medicalnewstoday.com)
The apex of the heart is the very tip and helps pump or "wring out" blood from the ventricles to the rest of the body (LV apex) or the lungs (RV apex). (medicalnewstoday.com)
It does this by helping regulate the right and left ventricles of the heart and allowing them to pump blood upward and out of the heart. (medicalnewstoday.com)
The term nonischemic cardiomyopathy refers to decreased heart function. (medicalnewstoday.com)
It thus potentially offers the ability to provide clinical data, specifically with respect to right heart function, that cannot be accurately obtained by the other modalities at the present times. (upstate.edu)
Treatment with sotatercept for 24 weeks significantly reduced right heart size and improved right ventricle (RV) function and haemodynamic status in patients with pulmonary arterial hypertension (PAH). (ersjournals.com)
Pulmonary arterial hypertension (PAH) alters the geometries of both ventricles of the heart. (frontiersin.org)
Our internally consistent findings between working-heart and trabecula experiments explain the rapid improvement of LV systolic function observed in patients with chronic pulmonary hypertension following surgical relief of RV pressure overload. (frontiersin.org)
HF with reduced left ventricular function (HF-rEF) - occurs when the lower chamber of the heart (left ventricle) becomes larger and is unable to squeeze or contract hard enough to pump the correct amount of oxygen-rich blood to the rest of the body. (delraymedicalctr.com)
Occurs when the upper chambers of the heart (atria) are beating out of sync with the lower chambers (ventricles). (delraymedicalctr.com)
Cardiac resynchronization therapy (CRT) was introduced to reestablish the synchronism in left ventricular of heart failure patients. (umontreal.ca)
A MUGA (multigated acquisition) scan looks at the function of your heart, especially the ability of your heart muscle to pump blood to the rest of your body and the size of the ventricles which are the pumping chambers of the heart. (ottawahospital.on.ca)
The Impella® heart pump platform is designed to enable the heart to rest and recover by improving blood flow and/or temporarily assisting with the pumping function of the heart. (acc.org)
It is a microaxial, surgically implanted heart pump that unloads the left ventricle, reduces ventricular work, and provides the circulatory support necessary to allow recovery and early assessment of residual myocardial function. (acc.org)
She is asymptomatic, of high intellect, never used medications and is now functioning at New York Heart Association (NYHA) I-II at 20 years of age. (uwi.edu)
Side effects such as weight gain, hypertension, and glucose intolerance, and effects on growth and bone density are compounded in non-ambulatory patients with active declines in heart and lung function. (cdc.gov)
In conclusion, children born extremely preterm exhibit higher estimated PVR, altered right heart structure and function compared with children born at term. (lu.se)

Ventricular cerebrospinal fluid (CSF) had four leukocytes (WBC)/mm 3 , 40 mg/dL glucose, and 70 mg/dL protein. (cdc.gov)
The cerebral aqueduct is the ventricular system's smallest ventricle, but it plays an important role in continuing the flow of the cerebrospinal fluid. (databasefootball.com)

Possible mechanisms of torsion in single right ventricles include myofiber remodeling and altered ventricular-ventricular interactions. (elsevierpure.com)

Children born preterm had significantly smaller right atria, right ventricles with smaller widths, higher relative wall thickness and higher estimated pulmonary vascular resistance (PVR) than controls. (lu.se)

6 - 8 As many studies supported the hypothesis that right ventricular (RV) disorders are correlated with increased risk of morbidity and mortality, RV function assessments are pushed to the forefront of clinical work. (ac.ir)

ventricular functions were normal and mmHg and no evidence of stenosis at we discuss his presentation and diag- no other structural abnormalities were the left pulmonary artery. (who.int)

In pulmonary arterial hypertension (PAH), the increased pulmonary vascular resistance and pulmonary artery pressure impose pressure overload on the right ventricle (RV). (frontiersin.org)

Temporary mechanical circulatory support devices for RV failure are an attractive option because the RV function often improves sufficiently in a short period of time to allow for device removal. (acc.org)

Strobel, G, Shiva P Ponamgi, Attila Roka, Ahmed Aboeata "Exercise-induced Brugada pattern and ventricular tachycardia during capecitabine treatment. (creighton.edu)

The following case provides a real-world example of the value of a triphasic injection protocol using EmpowerCTA for a patient with suspected arrhythmogenic right ventricular dysplasia (ARVD). (bracco.com)

Corrado D, Link MS, Calkins H. Arrhythmogenic Right Ventricular Cardiomyopathy. (medlineplus.gov)

The noncompaction results in numerous prominent trabeculations and a loose myocardial meshwork (spongy myocardium) in the LEFT VENTRICLE. (mcw.edu)
He provided Core - Lab function for MRC sponsored study in Hibernating Myocardium. (imperial.ac.uk)

Surgical right ventricular assist device (RVAD) implantation involves cannulation of the right atrium or RV as well as pulmonary artery. (acc.org)
Whether surgical correction results in restoration of normal RV geometry and function is unknown. (elsevierpure.com)
The purpose of this study was to determine whether surgical correction of TR results in improved RV geometry and function. (elsevierpure.com)
Surgical results in patients with double outlet right ventricle: a 20- year experience. (medscape.com)

Left ventricular PV loops are considered to be the gold standard for hemodynamic assessment and are widely used in research to evaluate cardiac performance. (wikipedia.org)
This study aims to show that cardiac MRI in the clinical setting is equally accurate as other non-invasive imaging modalities for left ventricular function and a first line technique for right ventricular functional assessment in this institution. (upstate.edu)

The hypothesis was that torsion would be decreased in all SVs, most significantly in single right ventricles, and that it would correlate with other measures of ventricular function. (elsevierpure.com)

The right ventricle to pulmonary artery conduit (RVPAC) may impair right ventricular (RV) function in patients with functional single right ventricles. (techscience.com)
Conclusions: Single left and right ventricles exhibit preserved torsion, mainly because of preserved or increased apical rotation. (elsevierpure.com)
It consists of the left and right ventricles. (medicalnewstoday.com)

A giant cardiac lipoma associated with ventricular inversion and ventricular aneurysm: ultrasonography and CT imaging findings. (medscape.com)

Bussmann N, Franklin O, McCallion N, McNamara PJ, El-Khuffash A, The impact preload on left ventricular three-plane deformation measurements in extremely premature infants. (tcd.ie)

the steeper the gradient the greater the ventricular contractility. (bmj.com)
The pump function of the ventricle is determined not only by its contractility but by the characteristics of the vascular bed into which it ejects. (bmj.com)
Elevated levels of thyroid hormones are associated with impaired ventricular contractility and relaxation. (ac.ir)

However, these measures are frequently insufficient to augment RV systolic function, and mechanically circulatory support (MCS) is required to unload the RV, ensure adequate LV preload, and optimize tissue perfusion. (acc.org)

Simulations of cardiac electrical activation and mechanical pump function in hearts with shapes described by different combinations of shape components were performed. (plos.org)

Indices of contractile function have thus been described from analysis of pressure-time relations (dp/dt max), or dimension-time relations (Vmax). (bmj.com)
Conclusion: The findings of the present study revealed a significant change in RV function indices among hyperthyroid patients. (ac.ir)
The study indicated that although right ventricular function indices may be normal at rest in hyperthyroid patients, they are impaired during the stress tests, and these patients lack a normal right cardiac reserve. (ac.ir)

Modes 2 and 9 were the most important for determining simulated left ventricular mechanics and pressure-derived phenotypes. (plos.org)
While pressure and flow are accessible concepts, the models used to describe the ventricular mechanics that are responsible for pressure and flow are increasingly obscure. (bmj.com)
1 The message is simple but expressed in the language of modern ventricular mechanics, it is difficult to disentangle. (bmj.com)
Smith A, Bussmann N, Levy P, Franklin O, McCallion N, El-Khuffash A, Comparison of left ventricular rotational mechanics between term and extremely premature infants over the first week of age. (tcd.ie)

The fluid dynamic characteristics of the arterial tree-the left ventricular afterload-are impossibly complex to describe mathematically. (bmj.com)
3 One of the successes of the elastance model of ventricular function is the description of ventricular systolic function and the ventricular afterload in the same terms. (bmj.com)
The ratio between arterial and ventricular elastance is interpreted as an index of the coupling between the ventricle and its afterload, and an increase in this ratio is associated with increased efficiency of this coupling. (bmj.com)

Anatomy26

Organisms4

Diseases68

Chemicals and Drugs32

Analytical, Diagnostic and Therapeutic Techniques and Equipment90

Psychiatry and Psychology1

Phenomena and Processes35

Anthropology, Education, Sociology and Social Phenomena3

Information Science4

Named Groups1

Health Care22

Outflow tract3

Ejection16

Echocardiography15

Atrial8

Associated with left ventricular1

Systemic6

Dysfunction12

Diastolic10

Cardiac function9

Aortic3

Arrhythmias1

Patients with dilated1

CONGESTIVE HEART F1

Fourth ventricle9

Myocardial perfusion1

Tricuspid4

Septal3

Hypertrophy2

Left atrium2

Volumes4

Ischemia2

Coronary1

Congenital3

Heart27

Cerebrospinal fluid2

Remodeling1

Wall thickness1

Morbidity and morta1

Abnormalities1

Pulmonary arterial hyp1

Often improves1

Tachycardia1

ARVD1

Arrhythmogenic1

Myocardium2

Surgical4

Assessment2

Hypothesis1

Right ventricles3

Imaging1

Measurements1

Contractility3

Circulatory support1

Pump1

Indices3

Mechanics4

Afterload3