• Arterial stiffness evaluated by pulse wave velocity is not predictive of the improvement in hypertension after adrenal surgery for primary aldosteronism: A multicentre study from the French European Society of Hypertension Excellence Centres. (insa-lyon.fr)
  • In this paper, a finite element (FE) modeling is used to model effects of the arterial stiffness on the different signal patterns of the pulse transit time (PTT). (ac.rs)
  • The computational fluid-structure model provides arterial elastic behavior and fitting procedure was applied in order to estimate Young's module of stiffness of the artery. (ac.rs)
  • It was found that approximately same elastic Young's module can be fitted for specific subject with different breathing patterns which validate this methodology for possible noninvasive determination of the arterial stiffness. (ac.rs)
  • TY - JOUR AU - Peulić, Aleksandar AU - Milojević, Natasa AU - Jovanov, Emil AU - Radović, Miloš AU - Saveljić, Igor AU - Zdravković, Nebojša AU - Filipović, Nenad PY - 2013 UR - https://gery.gef.bg.ac.rs/handle/123456789/550 AB - In this paper, a finite element (FE) modeling is used to model effects of the arterial stiffness on the different signal patterns of the pulse transit time (PTT). (ac.rs)
  • Arterial stiffness was assessed by carotidian-femoral pulse wave velocity (Complior method). (romanianjournalcardiology.ro)
  • The waist-to-hip ratio independently influences the arterial stiffness in patients with essential arterial hypertension. (romanianjournalcardiology.ro)
  • If the usual resting pulse pressure is consistently greater than 100 mmHg, potential factors are stiffness of the major arteries, aortic regurgitation (a leak in the aortic valve), or arteriovenous malformation, among others. (wikipedia.org)
  • Blood pressure pulse waves for quality control - further pulse wave analysis provides additional cardiovascular parameters such as stroke volume , cardiac output and arterial stiffness . (wikipedia.org)
  • Thus, researchers conducted the Study to Understand Mortality and Morbidity in COPD (SUMMIT) trial in a large patient population (n=16,485) with moderate COPD who had or were at high risk for CVD to determine whether aPWV would predict mortality and whether inhaled therapy would affect aPWV and several additional metrics of arterial stiffness. (pulmonologyadvisor.com)
  • Antihypertensive agents may, even within the same class, exert variable effects on arterial stiffness variables. (nih.gov)
  • Nebivolol could have a better impact than atenolol on arterial stiffness, by increasing the bioavailability of endothelium-derived nitric oxide. (nih.gov)
  • We compared the effects of two renin-angiotensin-aldosterone system (RAAS) inhibitors (quinapril and aliskiren) and 2 beta-blockers (atenolol and nebivolol) on arterial stiffness variables. (nih.gov)
  • Aliskiren exerts similar effects on markers of arterial stiffness as quinapril. (nih.gov)
  • Carotid femoral pulse wave velocity (cf-PWV) is a validated measure of arterial stiffness, a well recognized predictor of adverse cardiovascular outcomes, and offers higher predictive value than classical cardiovascular risk factors. (rcjournal.com)
  • We investigated the association between COPD and arterial stiffness using cf-PWV as a noninvasive technique. (rcjournal.com)
  • The COPD subjects had greater arterial stiffness than the control subjects, and that difference was associated with lower FEV 1 , P aO 2 , and oxygen saturation during the 6-min walk test. (rcjournal.com)
  • Our results suggest that arterial stiffness is increased in subjects with more severe and advanced COPD than in those with mild to moderate COPD. (rcjournal.com)
  • Air flow limitation and hypoxemia may induce increased arterial stiffness in COPD patients. (rcjournal.com)
  • Carotid-femoral pulse wave velocity (cf-PWV) is the gold standard measurement for arterial stiffness. (rcjournal.com)
  • 5 - 7 Previous studies have documented the importance of arterial stiffness as a prognostic factor and an independent predictor of all-cause and cardiovascular mortality. (rcjournal.com)
  • 1 Arterial stiffness is a well known predictor of cardiovascular risk and can be assessed via radial artery tonometry, aortic PWV, or cf-PWV. (rcjournal.com)
  • As a response to the systemic inflammation associated with COPD, arterial stiffness and cardiovascular risk may also increase in this disease. (rcjournal.com)
  • 10 The aim of our study was to determine the relationship between arterial stiffness and air-flow limitation in patients with COPD. (rcjournal.com)
  • Patients with severe COPD had higher pulse wave velocity, which suggests increased arterial stiffness, compared to patients with mild and moderate COPD. (rcjournal.com)
  • Hypoxemia in severe COPD may increase arterial stiffness. (rcjournal.com)
  • Ankle-brachial index (ABI) was measured and arterial stiffness parameters were derived with applanation tonometry. (biomedcentral.com)
  • OBJECTIVE: To evaluate arterial stiffness and distensibility in pre-menopausal female systemic lupus erythematosus (SLE) patients and assess the influence of disease activity on these parameters. (usp.br)
  • CONCLUSION: This study demonstrates that SLE activity is responsible for alterations in arterial walls compatible with early atherosclerotic process, since the reduced arterial stiffness observed in active disease may be secondary to a greater inflammatory infiltration and foam cell formation. (usp.br)
  • The pulse wave velocity is calculated from the measured PTT, for its potential use in monitoring arterial stiffness and continuous non-invasive arterial blood pressure. (amrita.edu)
  • Background/aims Measurement of pulse wave velocity (PWV) in large vessels has been used extensively in clinical practice as an indirect measure of arterial stiffness and an indicator of cardiovascular risk factors. (bmj.com)
  • Arterial stiffness increases with age and in coronary artery disease. (bmj.com)
  • An in vivo clinical method to characterise arterial stiffness of the central microcirculation was developed. (bmj.com)
  • A recent real-life study demonstrated that cocoa flavanols may reduce arterial stiffness and lower blood pressure in healthy adults, but only when blood pressure is high. (medicalnewstoday.com)
  • One area of interest is how a component of cocoa-specifically cocoa flavanols-may impact blood pressure and arterial stiffness. (medicalnewstoday.com)
  • A recent study found that cocoa flavanols can effectively lower blood pressure in people with ideal blood pressure, but not when it was already low, as well as reduce arterial stiffness. (medicalnewstoday.com)
  • Researchers of the current study note that previous controlled clinical intervention studies have demonstrated the blood pressure-decreasing and arterial stiffness-reducing effects of cocoa flavanols (CF) in healthy humans. (medicalnewstoday.com)
  • Researchers use pulse wave velocity to measure arterial stiffness. (medicalnewstoday.com)
  • The results showed that cocoa flavanols were effective in lowering blood pressure and reducing arterial stiffness. (medicalnewstoday.com)
  • The study confirms that cocoa flavanols can lower blood pressure and improve arterial stiffness. (medicalnewstoday.com)
  • This new imaging modality gives access to local parameters of arterial stiffness, such as the pulse wave velocity (PWV) and the arterial wall distensibility. (frontiersin.org)
  • Pulse pressure (the difference between systolic and diastolic blood pressures) rises with age as a result of arterial stiffening, and arterial stiffness is a known risk factor for cardiovascular disease. (aafp.org)
  • Prolonged standing increases lower limb arterial stiffness. (cdc.gov)
  • However, it is unknown how prolonged standing affects arterial stiffness, a prognostic indicator of cardiovascular health. (cdc.gov)
  • The purpose of this study was twofold: to observe changes in arterial stiffness, as assessed by pulse wave velocity (PWV), with a 2-h bout of standing, and to determine if short, intermittent walking bouts provide a comparative advantage to standing alone. (cdc.gov)
  • METHODS: Nineteen adults had arterial stiffness assessed by pulse wave velocity. (cdc.gov)
  • CONCLUSIONS: These findings indicate that prolonged standing increases the measures of arterial stiffness and there is no evidence that walk breaks attenuate this response. (cdc.gov)
  • It involves all aspects of the cardiovascular system but is most visible in the age-related increased arterial stiffness of large elastic arteries, such as the aorta. (lu.se)
  • Ongoing studies try to test drugs that may favorably influence EVA and whether a treatment strategy based on addressing arterial stiffness could be more beneficial than conventional treatment based on blood pressure levels. (lu.se)
  • Pulse oximetry is a clinically useful technique for managing oxygenation but further studies are needed to confirm its safety in premature infants at risk of retinopathy of prematurity. (bmj.com)
  • Initial blood tests should include lactate and CO-oximetry in addition to electrolytes and arterial blood gases. (medscape.com)
  • Pulse oximetry readings can be misleading in the setting of carbon monoxide (CO) exposure or methemoglobinemia because these devices use only 2 wavelengths of light (the red and the infrared spectrum), which detect oxygenated and deoxygenated hemoglobin only and not any other form of hemoglobin. (medscape.com)
  • Pulse oximetry may show a depressed oxygen saturation, but the decrease does not accurately reflect the level of methemoglobinemia. (medscape.com)
  • The percent of oxyhemoglobin measured by CO-oximetry is an accurate measure of the arterial oxygen saturation. (medscape.com)
  • Both arterial blood gas testing and pulse oximetry measure the amount of oxygen in the blood, which helps determine how well the lungs are functioning. (msdmanuals.com)
  • Pulse oximetry is not invasive. (msdmanuals.com)
  • The amount of oxygen in the blood can be monitored without taking a blood sample by using a sensor placed on a finger or an earlobe-a procedure called pulse oximetry. (msdmanuals.com)
  • An arterial blood gas measurement can also give a more exact measurement than pulse oximetry. (msdmanuals.com)
  • Doctors may do pulse oximetry as or after the person walks around or climbs a flight of stairs to see if exertion causes oxygen levels in the blood to decrease. (msdmanuals.com)
  • Pulse oximetry on all the fingers of his left hand demonstrates a good perfusion pulsation waveform. (hawaii.edu)
  • The diagnosis of compartment syndrome (CS) was considered, but no fracture was present and his distal pulses were normal, including pulse oximetry perfusion waveforms in his fingers. (hawaii.edu)
  • Pulse oximetry: training material [Internet]. (who.int)
  • Pulse Oximetry for Monitoring Patients with COVID-19 at Home: Potential Pitfalls and Practical Guidance. (who.int)
  • The lower rigidity of the central arteries compared to the distal ones may indicate that the systolic arterial compliance function is concentrated in the central arterial segments. (revespcardiol.org)
  • This gives rough guide to pulse pressure which depends onthe stroke volume and the compliance of the arteries. (medicscenter.com)
  • Peripheral vascular disease PVD / Peripheral Arterial Disease is a chronic disease where plaque gradually builds up in the arteries leading to limited blood flow or entirely block the flow of blood also called an occlusion. (pulsecardiovascular.com)
  • The plaque builds up on the arterial or vessel wall as it passes through the vessels along with the blood and can lead to the hardening or atherosclerosis of the arteries and eventual occlusion. (pulsecardiovascular.com)
  • Here, a self-powered piezoelectric pulse sensor is demonstrated to enable in vivo measurement of radial/carotid pulse signals in near-surface arteries. (elsevierpure.com)
  • However, the assessment of the elastic properties of arteries is hampered by the absence of techniques to estimate arterial pulse pressure non-invasively. (actapress.com)
  • Systemic pulse pressure (usually measured at upper arm artery) = Psystolic - Pdiastolic e.g. normal 120mmHg - 80mmHg = 40mmHg low: 107mmHg - 80mmHg = 27mmHg high: 160mmHg - 80mmHg = 80mmHg Pulmonary pulse pressure is normally much lower than systemic blood pressure due to the higher compliance of the pulmonary system compared to the arterial circulation. (wikipedia.org)
  • The alveolar gas equation can be used to estimate the efficiency of pulmonary oxygen delivery to the arterial circulation in the presence of supplemental oxygen administration. (medscape.com)
  • In patients with chronic obstructive pulmonary disease (COPD) with or at high risk for cardiovascular disease (CVD), baseline arterial pulse wave velocity (aPWV) appears to be predictive of mortality but is unaffected by therapy, according to the results of a multicenter randomized double-blind study published in the American Journal of Respiratory and Critical Care Medicine . (pulmonologyadvisor.com)
  • Pulse wave velocity in chronic obstructive pulmonary disease and the impact of inhaled therapy (SUMMIT): A randomized double-blind clinical trial [published online February 4, 2020]. (pulmonologyadvisor.com)
  • Sixty-two subjects with stable COPD and 22 healthy controls underwent physical examination, chest x-rays, pulmonary function tests, arterial blood gas analysis, and 6-min walk test, and cf-PWV was measured via a validated tonometry system. (rcjournal.com)
  • Pulsatile pressure was subsequently applied to the arterial segment while venous flow. (gwu.edu)
  • At pressure settings mimicking physiological scenarios, arterial pulsations caused a highly significant increase in venous return. (gwu.edu)
  • However, when a doctor also needs a carbon dioxide or blood acidity measurement (for example, in certain people who are seriously ill), an arterial or venous blood gas measurement is usually needed. (msdmanuals.com)
  • A compartment syndrome occurs when venous outflow is impeded, thus arterial pulsation is still present in many compartment syndrome cases. (hawaii.edu)
  • However, any suspicion of CO poisoning should be confirmed with a COHgb level by multiple wavelength spectrophotometer (CO-oximeter) from a venous or arterial blood sample. (cdc.gov)
  • 60 mm Hg in room air) or hypercarbia (alveolar [arterial] carbon dioxide pressure [PaCO 2 ] level of 55 mm Hg) indicate significant respiratory insufficiency. (medscape.com)
  • Arterial blood gas tests measure the levels of oxygen and carbon dioxide in the arterial blood and determine the acidity (pH) of the blood. (msdmanuals.com)
  • Continuous noninvasive arterial blood pressure measurement (CNAP) combines the advantages of the following two clinical "gold standards": it measures blood pressure (BP) continuously in real-time like the invasive arterial catheter system (IBP) and it is non-invasive like the standard upper arm sphygmomanometer (NBP). (wikipedia.org)
  • Some phenomena that have traditionally been attributed to arterial wave reflections or resonance of the invasive arterial pressure measurement can instead be explained by intrinsic properties of the arterial pulse. (biomedcentral.com)
  • eBP includes (1) a light-based pulse sensor attached to an in-ear inflatable pipe (or balloon), (2) an air pump, a pressure sensor, and a valve controlling module to control the balloon's contact to the in-ear skin for pulse measurement, and (3) a BP estimation algorithm. (acm.org)
  • The difference between the partial pressure of oxygen in the alveolus and that measured on an ABG is the alveolar-arterial (A-a) gradient. (medscape.com)
  • Treatment of PJP depends on the degree of illness at diagnosis, determined on the basis of the alveolar-arterial gradient. (medscape.com)
  • found a reduced arterial distensibility at the common carotid artery site. (frontiersin.org)
  • Knowing that a patient is at increased risk of congestive heart failure is important because the risk may be modified by drug therapy with angiotensinconverting enzyme inhibitors, which may cause left ventricular hypertrophy regression, and nitrates, which may improve arterial distensibility, and by other therapeutic interventions, such as a low-salt diet. (aafp.org)
  • Peripheral arterial disease is a very common disease affecting 1 in 20 Americans over the age of 50. (pulsecardiovascular.com)
  • Functional changes in peripheral arterial disease (PAD) could play a role in higher cardiovascular risk in these patients. (biomedcentral.com)
  • It is correlated with different forms of cardiovascular disease (CVD), such as coronary artery disease (CAD), cerebrovascular disease and peripheral arterial disease (PAD) [ 3 ]. (biomedcentral.com)
  • I also provide treatment for failed endovascular aneurysm repair, infected arterial grafts, carotid artery disease and peripheral vascular disease. (rochester.edu)
  • Pressure and diameter were measured in seven arterial segments (carotid, brachiocephalic trunk, ascending aorta, proximal, middle and distal descending thoracic aorta, and femoral artery) from six sheep. (revespcardiol.org)
  • Nonetheless, it will be shown that the hemodynamic equations developed by Euler about 275 years ago, still undergird the most advanced numerical methods in use today for blood flow analysis in arterial networks. (scirp.org)
  • Continuous noninvasive arterial pressure ( CNAP ) is the method of measuring beat-to-beat arterial blood pressure in real-time without any interruptions (continuously) and without cannulating the human body ( noninvasive ). (wikipedia.org)
  • A further advantage of CNAP is hemodynamic optimization using continuous blood pressure and its parameters derived from physiological rhythms and pulse wave analysis. (wikipedia.org)
  • Continuous monitoring of an arterial pulse using a pressure sensor attached on the epidermis is an important technology for detecting the early onset of cardiovascular disease and assessing personal health status. (elsevierpure.com)
  • We investigated pulsed continuous arterial spin labeling combined with background suppression for renal perfusion imaging at 3 Tesla using single shot fast spin echo acquisition. (ismrm.org)
  • Carotid femoral pulse wave velocity is a well recognized predictor of adverse cardiovascular outcomes, with a higher predictive value than classic cardiovascular risk factors. (rcjournal.com)
  • 6 patients (4.9%) had a previously known PAD (Rutherford grade I). Mean ABI was 1.04 ± 0.12, mean subendocardial viability ratio (SEVR) 166.6 ± 32.7% and mean carotid-femoral pulse wave velocity (cfPWV) 10.3 ± 2.4 m/s. (biomedcentral.com)
  • However, the routes by which macromolecules cross endothelium, the hemodynamic stresses that maintain endothelial physiology or trigger arterial disease, and the dependence of transendothelial transport on hemodynamic stresses are controversial. (imperial.ac.uk)
  • We also calculated the incremental Young's and pressure-strain elastic modulus and pulse wave velocity for each segment. (revespcardiol.org)
  • The device's operation is based on the recording of the suprasystolic brachial artery pulse wave signals to determine the central systolic blood pressure. (tensiomed.com)
  • It is characterised by a rapid upstroke and descent of the pulse wave. (medicscenter.com)
  • This refers to the amplitude movement 0f the vessel wall during passage of pulse wave. (medicscenter.com)
  • In patients with COPD with or at high risk for CVD, baseline arterial pulse wave velocity appears to be predictive of mortality but is unaffected by therapy. (pulmonologyadvisor.com)
  • pulse wave velocity. (nih.gov)
  • Although advanced hemodynamic monitoring (including arterial pulse wave analysis [PWA]) is of recent interest, the validity of PWA-derived indices in burn resuscitation extremes has not been established. (usuhs.edu)
  • We demonstrate that within the soliton model it is not necessary to model valve closure or wave reflection: single or multiple notches arise de novo even from featureless theoretical LV pressure pulse profiles. (biomedcentral.com)
  • We show that a number of clinically relevant features of the invasive blood pressure are reproduced by the soliton model and examine the role of LV pulse energy on pulse wave shape and progression. (biomedcentral.com)
  • They received the doses at the same time in the morning after the baseline collection of blood pressure, heart rate, and pulse wave velocity which they had been shown how to do using a blood pressure cuff and a finger clip for the first two days, and then entered data into an iPod touch on their own. (medicalnewstoday.com)
  • A high frame rate (2,000 frames/s) was used to measure the pulse wave velocity (PWV). (frontiersin.org)
  • Pulse wave velocity (PWV) has shown to be a direct measure of this property. (actapress.com)
  • It is possible to measure this process by pulse wave velocity (PWV). (lu.se)
  • The amplitude of this effect was dependent on the arterial pulsation rate, stroke volume, and pressure gradient across the vein segment. (gwu.edu)
  • We now report genome-wide association studies of pulse pressure (PP) and mean arterial pressure (MAP). (lu.se)
  • To assess this sufficient pressure Should be exerted on redial pulse and It should be rolled beneath the fingers against underlying bone. (medicscenter.com)
  • As part of this survey, you will measure pulse and blood pressure. (cdc.gov)
  • The pulse and blood pressure will be taken during the Household Interview appointment. (cdc.gov)
  • The pulse can be felt with the fingers at different pulse pressure points throughout the body and heard through a listening device called a stethoscope. (cdc.gov)
  • In this survey you will use the radial pulse (at the wrist) and the brachial pulse (inside of arm at the elbow), to obtain the pulse and blood pressure measurements. (cdc.gov)
  • Arterial blood pressure is the force exerted by the blood on the wall of a blood vessel as the heart pumps (contracts) and relaxes. (cdc.gov)
  • When the first pulse sounds are heard, the reading on the manometer measures the systolic blood pressure. (cdc.gov)
  • Healthy pulse pressure is around 40 mmHg. (wikipedia.org)
  • A pulse pressure that is consistently 60 mmHg or greater is likely to be associated with disease, and a pulse pressure of 50 mmHg or more increases the risk of cardiovascular disease. (wikipedia.org)
  • Pulse pressure is considered low if it is less than 25% of the systolic. (wikipedia.org)
  • For example, if the systolic pressure is 120 mmHg, then the pulse pressure would be considered low if it is less than 30 mmHg, since 30 is 25% of 120. (wikipedia.org)
  • A very low pulse pressure can be a symptom of disorders such as congestive heart failure. (wikipedia.org)
  • This serves to dampen the pulsatile (maximum pumping pressure) of the left ventricle, thereby reducing the initial systolic pulse pressure, but slightly raising the subsequent diastolic phase. (wikipedia.org)
  • If the aorta becomes rigid because of disorders, such as arteriosclerosis or atherosclerosis, the pulse pressure would be high due to less compliance of the aorta. (wikipedia.org)
  • e.g. normal: 15mmHg - 8mmHg = 7mmHg high: 25mmHg - 10mmHg = 15mmHg A pulse pressure is considered abnormally low if it is less than 25% of the systolic value. (wikipedia.org)
  • If the pulse pressure is extremely low, i.e. 25 mmHg or less, it may indicate low stroke volume, as in congestive heart failure. (wikipedia.org)
  • In trauma, a low or narrow pulse pressure suggests significant blood loss. (wikipedia.org)
  • A narrow pulse pressure is also caused by aortic stenosis. (wikipedia.org)
  • For most individuals, during aerobic exercise, the systolic pressure progressively increases while the diastolic pressure remains about the same, thereby widening the pulse pressure. (wikipedia.org)
  • These pressure changes facilitate an increase in stroke volume and cardiac output at a lower mean arterial pressure, enabling greater aerobic capacity and physical performance. (wikipedia.org)
  • A high pulse pressure combined with bradycardia and an irregular breathing pattern is associated with increased intracranial pressure, a condition called Cushing's triad seen in people after head trauma with increased intracranial pressure. (wikipedia.org)
  • Common causes of widening pulse pressure include:[medical citation needed] Anemia Aortic dissection Atherosclerosis Arteriovenous fistula Chronic aortic regurgitation Aortic root aneurysm Aortic root dilation Beri beri Distributive shock Endocarditis Fever Heart block Increased intracranial pressure Patent ductus arteriosus Pregnancy Thyrotoxicosis A vast amount of diagnostic, prognostic, and prophylactic value can be derived from the proper monitoring and interpretation of pulse pressure. (wikipedia.org)
  • Pulse pressure has implications for both cardiovascular disease as well as many non-cardiovascular diseases. (wikipedia.org)
  • However, pulse pressure has usually been found to be a stronger independent predictor of cardiovascular events, especially in older populations, than has systolic, diastolic, or mean arterial pressure. (wikipedia.org)
  • The evaluation of Pulse Pressure Variation (PPV) allows for goal-directed fluid management in sedated and ventilated patients. (wikipedia.org)
  • Wireless transmission of detected arterial pressure signals to a smart phone demonstrates the possibility of self-powered and real-time pulse monitoring system. (elsevierpure.com)
  • Arterial oxygen tension (partial pressure of arterial oxygen [PaO 2 ]) does not accurately reflect the degree of CO poisoning or cellular hypoxia. (medscape.com)
  • We hypothesized that arterial pressure pulsations can significantly increase blood flow in the adjacent valve-containing vein segments. (gwu.edu)
  • The goal of this paper is to test the hypothesis that PWA-derived cardiac output (CO) and stroke volume (SV) indices as well as pulse pressure variation (PPV) and systolic pressure variation (SPV) can play a complementary role to UOP in burn resuscitation. (usuhs.edu)
  • A model for the arterial pressure is given by solutions to a KdV equation with constants depending on the properties of the artery [ 1 ]. (biomedcentral.com)
  • To evaluate whether an increased pulse pressure could serve as a predictor of congestive heart failure in the elderly, Chae and colleagues conducted a prospective cohort study of the possible relationship between increased pulse pressure and the occurrence of congestive heart failure in 1,621 elderly persons. (aafp.org)
  • Gender, the presence of coronary heart disease or atrial fibrillation, and smoking history were not related to an increased pulse pressure. (aafp.org)
  • An increased pulse pressure, however, was related to age, use of antihypertensive medications and presence of diabetes mellitus. (aafp.org)
  • The risk of congestive heart failure was linearly and significantly related to the pulse pressure. (aafp.org)
  • The mean arterial pressure was not associated with an increased risk of congestive heart failure. (aafp.org)
  • The authors conclude that pulse pressure is an independent predictor of the risk of congestive heart failure. (aafp.org)
  • Pulse oximeter and transcutaneous arterial oxygen measurements in neonatal and paediatric intensive care. (bmj.com)
  • Pulse oximeter (SaO2P) measurements were compared with direct arterial line oxygen saturation (SaO2) from co-oximeters in 92 instances in 43 patients, and with arterial line oxygen measurements (PaO2) in 169 instances in 81 patients. (bmj.com)
  • A pulse oximeter is a device that measures the oxygen saturation of haemoglobin in arterial blood described as SPO2. (who.int)
  • Some pulse oximeter monitors display a pulse waveform which illustrates the pulse detected (Pulse rate in beats per minutes). (who.int)
  • Switch on the pulse oximeter. (who.int)
  • COHgb levels can be tested either in whole blood or by using a pulse CO-oximeter. (cdc.gov)
  • A conventional pulse oximeter that measures oxygen saturation is not accurate in the presence of COHgb. (cdc.gov)
  • Arterial blood gas tests are invasive, requiring a blood sample, and provide information at a specific moment in time. (msdmanuals.com)
  • Pulse transit time (PTT) is a simple and non-invasive method derived from PWV that has shown potential in cardiovascular and respiratory studies. (actapress.com)
  • Given that the patient demonstrated good distal pulses and the absence of pallor, is a compartment syndrome possible? (hawaii.edu)
  • Does the presence of normal distal pulses rule out a compartment syndrome? (hawaii.edu)
  • There was an age-adjusted 17 percent increase in the risk of congestive heart failure with every 10 mm Hg rise in the pulse presure. (aafp.org)
  • Those who had the highest tertile pulse pressures had a 75 percent increased risk of congestive heart failure compared with those whose pulse pressures were in the lowest tertile. (aafp.org)
  • better source needed] A pulse pressures of 50 mmHg or more can increase the risk of heart disease, heart rhythm disorders, stroke and other cardiovascular diseases and events. (wikipedia.org)
  • Treatment strategy was initially based on arterial oxygen tension/inspiratory oxygen fraction ( P aO 2 / F IO 2 ) on room air, breathing frequency (BF) and presence of dyspnoea, and then adjusted following an ad hoc algorithm ( figure 1a ). (ersjournals.com)
  • In 23 infants undergoing neonatal intensive care, transcutaneous oxygen monitors were compared with arterial PO2 measurements in 60 instances. (bmj.com)
  • The ratio of absorbance at the 2 wavelengths (red-660nm, infra-red-940nm) is calculated and calibrated against direct measurements of arterial oxygen saturation to derive SPO2 reading. (who.int)
  • The arterial diameter change over the cardiac cycle was obtained by UF-Doppler imaging. (frontiersin.org)
  • An experimental setup for measuring pulse transit time (PTT) using two photoplethysmographic (PPG) signals is proposed. (amrita.edu)
  • Measuring the effects of remifentanil on cerebral blood flow and arterial arrival time using 3D GRASE MRI with pulsed arterial spin labelling. (ox.ac.uk)
  • Arterial spin labelling (ASL) has proved to be a promising magnetic resonance imaging (MRI) technique to measure brain perfusion. (ox.ac.uk)
  • In this study, volumetric three-dimensional (3D) gradient and spin echo (GRASE) ASL was used to produce cerebral blood flow (CBF) and arterial arrival time (AAT) maps during rest and during an infusion of remifentanil. (ox.ac.uk)
  • This study aimed at comparing the effect of open suction endotracheal tube using 2 different sized suction catheters on arterial blood oxygen saturation in critical care ward patients. (ac.ir)
  • Chez les patients hypertendus, le taux de mortalité était plus élevé uniquement chez les patients admis pour un infarctus du myocarde avec sus-décalage du segment ST. Après ajustement des résultats en fonction des variables de référence, l'hypertension s'est révélé être un facteur prédictif indépendant de l'insuffisance cardiaque (OR = 1,31) et de l'accident vasculaire cérébral (OR = 2,47). (who.int)
  • Higher pulse pressures are also thought to play a role in eye and kidney damage from diseases such as diabetes. (wikipedia.org)
  • Os critérios de exclusão utilizados foram: tabagismo atual ou prévio, hipertensão arterial sistêmica, diabetes mellitus, obesidade, insuficiência renal crônica, síndrome antifosfolípide secundária e gravidez ou menopausa no momento do estudo. (usp.br)
  • Conventional pulse sensors have the capability of detecting human biosignals, but have significant drawbacks of power consumption issues that limit sustainable operation of wearable medical devices. (elsevierpure.com)
  • Anacrotic pulse: This occurs in aortic stenosus. (medicscenter.com)
  • Bisferiens pulse: It is a combination of the slow rising and collapsing pulses occurring when aortic stenosis and incompetence are present. (medicscenter.com)
  • Such features may provide useful information about the vascular system and are traditionally explained in terms of aortic valve closure or multiple reflections from impedance mismatches within the arterial system. (biomedcentral.com)