• Right ventricular (RV) diastolic stiffness is increased in pulmonary arterial hypertension (PAH) patients. (ersjournals.com)
  • Participants were asked to take part in a 10-minute adult cardiac arrest scenario with ventricular fibrillation. (hindawi.com)
  • Both right ventricular (RV) and LV ejection fractions were measured by radionuclide techniques, and arterial, right atrial and pulmonary artery pressures, cardiac output, and derived hemodynamic indexes were determined. (nih.gov)
  • Pulmonary arterial hypertension (PAH) is a lethal vasculopathy characterized by pathogenic remodeling of pulmonary arterioles leading to increased pulmonary pressures, right ventricular hypertrophy, and heart failure. (biomedcentral.com)
  • These abnormalities in patients with TOF increased the pulsatile load on the left ventricle and significantly contributed to decreased cardiac output, even when right ventricular function was taken into account by multivariate regression analysis. (bmj.com)
  • Left ventricular output (LVO), common carotid artery blood flow (CCAF) and mean arterial BP (averaged over a 2 h epoch) were related to EEG measures over the same epoch. (bmj.com)
  • During initial evaluation of the patient, he loses consciousness and has a cardiac arrest with ventricular tachycardia, which can be seen on the monitor. (simxvr.com)
  • The loss of myocytes leads to cardiac dilation and an increased afterload and wall tension, which results in further systolic dysfunction. (medscape.com)
  • The level of pressure at which the pulse in the radial artery returns is noted and recorded as the systolic arterial blood pressure. (wabaum.com)
  • Systemic arterial haemodynamics were investigated by measuring aortic input impedance during cardiac catheterisation. (bmj.com)
  • These results indicating abnormal arterial haemodynamics after TOF repair highlight the importance of regular monitoring of the systemic arterial bed and potentially relevant cardiovascular events in long-term follow-up of TOF. (bmj.com)
  • Can Changes in Arterial Pressure be Used to Detect Changes in Cardiac Output during Volume Expansion in the Perioperative Period? (asahq.org)
  • However, whether VE-induced changes in arterial pressure accurately reflect changes in CO has not been demonstrated. (asahq.org)
  • The authors studied the ability of VE-induced changes in arterial pressure and in pulse pressure variation to detect changes in CO induced by VE in the perioperative period. (asahq.org)
  • Response to VE was defined as more than 15% increase in CO. The ability of VE-induced changes in arterial pressure to detect changes in CO was assessed using a gray zone approach. (asahq.org)
  • Such changes in arterial wall structure may significantly alter arterial wall mechanical properties, and thus cause abnormal arterial haemodynamics. (bmj.com)
  • The causes of death in the study were consistent with those expected in patients with septic shock, although there was a higher proportion of cardiovascular deaths and a lower incidence of deaths caused by multiple organ failure in the 546C88 group. (nih.gov)
  • Twenty patients were recruited and classified into low and high cardiovascular (CV) risk group. (hal.science)
  • The cardiovascular responses, including bradycardia, decrease in cardiac output, and increase in total peripheral resistance, were augmented during apnea compared to during rebreathing. (lu.se)
  • BF in the lower abdomen (BF Ab ) is potentially a useful indicator of the influence of comprehensive BF redistribution in cardiovascular and hepato-gastrointestinal disease, in the postprandial period, and in relation to physical exercise. (biomedcentral.com)
  • However, workers with high physical work demands (often low and semi-skilled workers) are well known to have an elevated incidence of cardiovascular disease and premature mortality. (cdc.gov)
  • LS is distinguished from other inotropic agents by this dual mechanism and considered as a good choice in high-risk patients undergoing cardiac surgery. (ispub.com)
  • Based on this phenomenon, the American Heart Association (AHA) recommendation is to resume chest compressions (CC) immediately after the shock delivery in all patients of unwitnessed cardiac arrest [ 3 ]. (hindawi.com)
  • Over following years, the method has been refined to overcome some technical issues, and a large number of studies were published, with repeating results-good response and improved outcomes in symptomatic bradycardia cases-and very poor results in patients with asystolic cardiac arrest [ 8 - 11 ]. (hindawi.com)
  • For these four arterial pressure-derived parameters, large gray zones were found, and more than 60% of the patients lay within this inconclusive zone. (asahq.org)
  • In these patients, prompt cardiac evaluation is mandatory. (medscape.com)
  • Less data are available regarding the impact of cardiac power output on exercise capacity or clinical outcome in patients with chronic heart failure (CHF). (bvsalud.org)
  • A recent study by the Acute Respiratory Distress Syndrome Network compared the traditional lower end-expiratory pressure strategy with a higher end-expiratory pressure strategy in patients with the acute respiratory distress syndrome ventilated with low tidal volumes. (atsjournals.org)
  • We applied both the lower (9 ± 2 cm H 2 O) and higher (16 ± 1 cm H 2 O) PEEP strategy in 19 patients. (atsjournals.org)
  • Combining low V t s and high PEEP levels blunted the inflammatory response ( 6 ) and reduced mortality in patients with ARDS ( 7 ). (atsjournals.org)
  • Study-arm patients were ventilated with low V t s and with a higher PEEP strategy aiming to decrease the amount of nonaerated lung at end-expiration, whereas control-arm patients were ventilated according to the former ARDS Network protective protocol (lower PEEP strategy) ( 2 ). (atsjournals.org)
  • The patients with propofol had significantly lower mean arterial pressure than those with sevoflurane. (hjn.gr)
  • Most studies have shown the cardioprotective effects of the volatile anesthetic drugs in patients undergoing coronary artery surgery with and without extracorporeal circulation, referred decrease of the risk of heart attack and the mortality from any cause, higher cardiac index score, less length of stay both intensive care unit and hospital totally. (hjn.gr)
  • Among patients undergoing coronary artery bypass surgery, the anesthesia with sevoflurane maintain better cardiac performance, suggesting that the sevoflurane may have cardioprotective effects during the cardiosurgery. (hjn.gr)
  • In addition, in some patients after cardiac surgery, the potential or predicted inequality between systemic and pulmonary blood flow if a cardiac shunt is present renders pulmonary artery catheters unreliable for measurement of systemic blood flow. (medscape.com)
  • It was not until the late 1950s, when Paul Wood in his seminal work elegantly described the flow and pressure overload to the pulmonary circulation caused by large cardiac defects, resulting in a gradual increase in pulmonary vascular resistance and, over time, shunt reversal leading to cyanosis. (bmj.com)
  • Positive end-expiratory pressure (PEEP) and inspired oxygen fraction (F i O 2 ) were set according to traditional criteria, using a table of lower PEEP/higher F i O 2 combinations, aiming at the lowest PEEP level compatible with an oxygenation target. (atsjournals.org)
  • This binding of oxygen to the haemoglobin molecule accounts for the increasing slope of the ODC at low levels of oxygenation. (sajjanheritage.com)
  • The use of arterial P O 2 (P aO 2 ) as a valid index of arterial oxygenation is justified because measurements are interpreted with implicit assumptions about the ODC. (sajjanheritage.com)
  • The purpose of the study was to determine the impact of Masimo SET pulse oximetry technology in addressing two major concerns for clinicians in the NICU: the incidence of false alarms and the ability to detect true hypoxemia (dangerously low oxygen saturation) and bradycardia (dangerously low pulse rate). (masimo.com)
  • The results have showed a beneficial effect of music, showing lower respiratory rate in newborn infants during and after respiratory physiotherapy procedure. (bvsalud.org)
  • Arteriolar dilation, evidenced by flushing and dilation of menningeal arterial vessels, is responsible for headache associated with nitroglycern use. (pharmacology2000.com)
  • LS increases the Ca +2 response to myofilament by binding to cardiac troponin C. As a result, myocardial contraction increases without a higher myocardial O 2 consumption [ 2 3 4 ]. (ispub.com)
  • However, the haemodynamic and pathophysiological significance of large intracardiac defects remained unclear until the advent of cardiac catheterisation. (bmj.com)
  • A large difference between the two pressures will result in a very strong pulse and yet the MAP may be low. (vin.com)
  • high it medication rivaroxaban to the section of the blood vessels in the blood vessels You can also also turn to take a lot of life and driving it to lower the it and soaker, but it makes situations, like a simple pulse. (pedrocacote.pt)
  • Provided that haemoglobin and circulatory function are normal, a patient's arterial oxygen saturation (measured either directly on arterial blood, (S aO 2 ), or estimated by pulse oximetry, (S pO 2 )) gives information about the amount of oxygen that is available to the metabolising tissues. (sajjanheritage.com)
  • To test the hypothesis that after repair of TOF, there are abnormal arterial haemodynamics which are associated with aortic dilatation and which increased after load on the left ventricle. (bmj.com)
  • 2011. Assessment of diabetic cardiac autonomic neuropathy in type I diabetic mice. (uconn.edu)
  • The first lung-protective ventilatory strategy proposed by the Acute Respiratory Distress Syndrome (ARDS) Clinical Trials Network, based on low V t , resulted in a 22% mortality reduction in a prospective, multicenter, randomized study ( 2 ). (atsjournals.org)
  • They had continuous invasive arterial BP and amplitude-integrated EEG (aEEG) recording. (bmj.com)
  • Background Measurement of oxygen consumption (Vȯ 2 ) is difficult in children but is essential to calculate cardiac index and systemic vascular resistance. (medscape.com)
  • [ 11 ] However, it is difficult to measure Vȯ 2 and cardiac output, and they are rarely measured outside of research investigations, despite the suggestion that measurement of cardiac output and oxygen delivery would improve clinical outcomes of critically ill children. (medscape.com)
  • The Arterial blood pressure (BP) measurement sample of children was selected through a in children is one of the most important tools double-stage randomized sampling method. (who.int)
  • CONCLUSIONS AND CLINICAL RELEVANCE Findings suggested that for Thoroughbreds, downhill locomotion resulted in a lower energy cost than did horizontal or uphill locomotion and that this cost changed with speed. (avma.org)
  • Clinical outcomes were similar whether lower or higher positive end-expiratory pressure (PEEP) levels were used. (atsjournals.org)
  • The ARDS Network Assessment of Low Tidal Volume and Elevated End-Expiratory Lung Volume to Obviate Lung Injury (ALVEOLI) study was designed to validate these results in a larger clinical study ( 8 ). (atsjournals.org)
  • Our clinical case highlights once more the absence and the non-specificity of the clinical manifestation of cardiac myxomas, especially when located in the right heart. (biomedcentral.com)
  • In the treatment of hemodynamic imbalance, dopamine stimulates cardiac muscle contraction and increases the heart rate, which results in improved cardiac output. (medicinenet.com)
  • Myocardial contraction is initiated in the cardiac ganglion but constantly modulated by the central nervous system, both directly via the cardioregulatory nerves and indirectly via the neurohormonal system. (biologists.com)
  • It has been shown that elevated serum levels of low-density lipoprotein (LDL) cholesterol, total cholesterol and triglycerides, low levels of high-density lipoprotein (HDL) cholesterol and abnormal blood glucose levels are the dominant risk factors for CVD [4,5]. (who.int)
  • Also, they supported that the use of volatile drugs was associated with significant reduction in the maximum concentration of cardiac troponine I and the cardiac enzyme CKMB. (hjn.gr)
  • Hence oxygen delivery can be compromised as much by a low haemoglobin concentration or low cardiac output as by a fall in the S aO dos . (sajjanheritage.com)
  • Beneficial effects of low dose nitrates occurs primarily as a result of peripheral vasodilation. (pharmacology2000.com)
  • 1996). Toxicity in cells in the respiratory tract usually occurs at lower inhaled concentrations than do the effects in the systemic tissues (Cruzan et al. (cdc.gov)
  • They also had lower LV and RV ejection fractions (16 +/- 4% vs 21 +/- 4% and 19 +/- 12% vs 27 +/- 7%, respectively). (nih.gov)
  • A study support that the cardiac ejection fraction is lightly increased in the propofol group and another study in the sevoflurane group. (hjn.gr)
  • Physical examination of the infant is negative for cardiac murmurs and abnormalities on lung auscultation. (cdc.gov)
  • Cardiac index was significantly higher and systemic vascular resistance was significantly lower for desflurane treatment than for propofol treatment. (avma.org)