(v. t.) To expel; to dismiss; to cast forth; to thrust or drive out; to discharge; as, to eject a person from a room; to eject a traitor from the country; to eject words from the language.
(v. t.) To cast out; to evict; to dispossess; as, to eject tenants from an estate.
Example Sentences:
(1) However, ejection fraction or VCF were higher in patients with a reduction of compliance than in patients with an increase of compliance.
(2) An "overshoot" elevation of ejection fraction above resting levels was demonstrated following termination of exercise in most patients.
(3) In both the normals and the patients, plasma ANP was inversely and significantly correlated with ejection fraction during exercise (r = -0.46, p less than 0.05, n = 21), however, not at rest.
(4) The detergent lauryl maltoside abolishes respiratory control and proton ejection by cytochrome c oxidase-containing proteoliposomes over a narrow concentration range.
(5) Ejection fraction, %deltaD, and Vcf by LAO cineangiograms and echo were uniformly higher than corresponding measurements from RAO angio, and were often normal in the presence of other indicators of significant left ventricular dysfunction.
(6) A relation between ejection fraction (EF) and the echo minor dimension measurements in end diastole and end systole was formulated, which permitted estimation of the EF from the echo measurements.
(7) Thus, the carotid pulse tracing provides an accurate reproduction of the morphology of the pressure tracing recorded from the ascending aorta, and when calibrated by peripheral blood pressure measurement, it can be used to calculate LV pressure throughout ejection.
(8) Combined clinical observations, stroke volume measured by impedance cardiography, and ejection fractions calculated from systolic time intervals, all showed significant improvement in parallel with CoQ10 administration.
(9) Changes in contractility were correlated with severity of disease, as defined by New York Heart Association class, dose of diuretics, left ventricular ejection fraction and left ventricular end-diastolic pressure.
(10) One or more of the followin factors were present in the "high-risk" group: ventricular dysfunction--ejection fraction less than 0.4, preinfarction angina, evolving infarction, recent infarction (less than 2 weeks), and refractory ventricular tachyarrhythmia.
(11) The LV end-diastolic and end-systolic volumes (EDVI, ESVI), and ejection fraction in the subsequent cardiac cycle were calculated.
(12) The correlation coefficients between tests 1 and 2 were 0.92 for both the pre- and postexercise ejection fractions and 0.98 for both the pre- and postexercise wall motion scores.
(13) Combining these approaches, additionally including a low ejection fraction, subgroups of patients at very high risk of sudden death or sustained ventricular tachyarrhythmia can be identified.
(14) To validate the repeated use of radionuclide equilibrium angiography for determining left ventricular (LV) ejection fraction (EF) and end-diastolic and end-systolic volumes (EDV and ESV), 25 patients were studied on an hourly basis an average of 9.1 days after acute myocardial infarction.
(15) When an exercise test is not performed, a resting radionuclide left ventricular ejection fraction is recommended, and coronary angiography is considered if the value lies between 0.20 and 0.44 (12% 1-year mortality).
(16) It was concluded that 1) late ejection was quantitatively important to LV pumping, 2) behavior during late ejection was inconsistent with E(t)-R, and 3) ad hoc modification of E(t)-R models was not likely to yield LV pumping models that could satisfactorily reproduce instantaneous P(t) and Q(t) behavior over the entire ejection period.
(17) The results showed that the shortening fractions and ejection fractions were significantly depressed in the experimental embryos.
(18) Global left ventricular ejection fraction (LVEF) was obtained by radionuclide angiography and analyzed with an automatic detection program.
(19) Thus, patients are likely to live longer after CABG if they have left main disease; three-vessel disease with left ventricular dysfunction (ejection fraction less than 50%), class III or IV angina, provocable ischemia, or disease in the proximal left anterior descending coronary artery; two-vessel disease with proximal left anterior descending artery involvement; and two-vessel disease with class III or IV angina as well as either severe left ventricular dysfunction alone or moderate left ventricular dysfunction together with at least one proximal lesion.
(20) The maintenance of adequate blood circulation requires a sufficient ventricular contractility; in addition, to eject blood, the ventricles must first receive a sufficient volume, requiring a low diastolic stiffness.
Regurgitate
Definition:
(v. t.) To throw or pour back, as from a deep or hollow place; to pour or throw back in great quantity.
(v. i.) To be thrown or poured back; to rush or surge back.
Example Sentences:
(1) The 14-fold increase in prolonged apnea frequency immediately following regurgitation supports the hypothesis for a causal relationship between apnea and regurgitation.
(2) The pathoanatomy and factors associated with transient mitral regurgitation (MR) induced by myocardial ischemic stress are unknown.
(3) Postoperative examination revealed division of accessory pathway and no regurgitation of mitral prosthesis.
(4) Doppler mitral regurgitation (MR) was detected in 40 of the 47 patients (85%) with type C in 56 of the 99 (59%) with type B, and in seven of the 18 (39%) with type A.
(5) One child (case 1) exhibited nasal regurgitation during feeding.
(6) To determine the severity of regurgitation by dynamic MRI, several parameters were analyzed, including the number of slices with visible signal loss, the time course of the signal loss, and its maximal area and maximal volume.
(7) Without operative correction of the tricuspid valve, secondary tricuspid regurgitation can resolve following mitral valve surgery alone.
(8) Signs of mitral regurgitation of grade 1 could be documented angiographically in 9 patients and of grade 2 in 4 patients.
(9) Sixty-eight patients (mean age 49 years) were studied with contrast echocardiography (CE) and Doppler echocardiography (DE) to evaluate both methods for detecting and grading tricuspid regurgitation (TR).
(10) Case 2: A 40-year-old man with congestive heart failure and inflammatory signs had aortic and mitral regurgitation.
(11) Twelve patients had severe mitral regurgitation; successful mitral valve replacement was carried out in four patients (all with myxomatous mitral tissue).
(12) The sounds were loudest along the left sternal border, exhibited an increase in intensity during inspiration and were associated with right atrial gallop sounds and with murmurs of tricuspid regurgitation.
(13) Isolated tricuspid valve regurgitation is a rare finding after nonpenetrating chest trauma.
(14) Tricuspid regurgitation (TR) was diagnosed with Doppler when reverse flow in systole was recorded at and behind the closure level of the tricuspid valve.
(15) We conclude that in most patients undergoing aortic valvuloplasty, regurgitation does not change after the procedure.
(16) All patients presented with severe oropharyngeal dysphagia and frequent aspiration together with pharyngooral and pharyngonasal regurgitation.
(17) On a series of 170 aortic valve replacement - 100 aortic stenoses (AS) and 70 aortic regurgitations (AR) - with an early post operative death rate of 5.3% and a late one of 8% (with a minimum follow up of 1 year and an average one of 25.4 months, two electrocardiographic and radiological checks could be done on 123 patients, 12 months on an average after the operation, and again for 116 patients, 21 months after the operation.
(18) In all cases, the maximal velocity of the tricuspid regurgitation jet was measured by continuous wave Doppler ultrasound and the systolic pressure gradient between right ventricle and the right atrium was calculated by the modified Bernoulli equation.
(19) In a multivariate Cox model analysis, the independent correlates of long-term survival were emergent operation with cardiogenic shock (multivariate mortality rate ratio [RR] = 14.0), use of a postoperative intraaortic balloon pump (RR = 3.9), ejection fraction less than 50% (RR = 2.4), preoperative history of congestive heart failure (RR = 2.2), cardiopulmonary bypass time (RR = 1.4 for each 30-minute increment), uncorrected mitral regurgitation (RR = 1.5 for each increment of angiographic gradation), left main coronary artery narrowing (RR = 1.7) and diabetes (RR = 1.6).
(20) This report details the pulsed Doppler echocardiographic findings in two patients who developed severe periprosthetic mitral regurgitation after porcine mitral valve replacement.