نتایج جستجو برای: atrial function
تعداد نتایج: 1290925 فیلتر نتایج به سال:
In areflexic canine right heart bypass preparations, little difference in ventricular function was observed as a result of atrial pacing, sequential atrioventricular pacing, or atrial-His bundle pacing at an appropriate atrial systole-ventricular systole (As-Vs) interval. Ventricular function was depressed during ventricular pacing and during atrioventricular pacing with an inappropriate As-Vs ...
BACKGROUND Non-dippers were reported as showing different left atrial function, compared to dippers, but no study to date investigated the changes in the left atrial function according to the diurnal blood pressure pattern, using tissue Doppler and strain imaging. METHODS Forty never treated hypertensive patients between 30 and 80 years of age were enrolled in this study. Patients were classi...
Lisy, Ondrej, Margaret M. Redfield, John A. Schirger, and John C. Burnett Jr. Atrial BNP endocrine function during chronic unloading of the normal canine heart. Am J Physiol Regul Integr Comp Physiol 288: R158–R162, 2005; doi:10.1152/ajpregu.00444. 2004.—The goal of the study was to define the effect of chronic unloading of the normal heart on atrial endocrine function with a focus on brain nat...
Background: Balloon atrial septostomy is an emergent procedure in pediatric cardiology. Nowadays, most patients in need of the procedure have acceptable outcomes after surgical repair. Thus, it is important to perform this procedure as safe as possible. By performing early arterial switch operation and prostaglandin infusion, the rate of balloon atrial septostomy has markedly decreased. Howeve...
background: beta-thalassemia major is a severe and lethal hemolytic anemia. regular transfusion is necessary for avoidance of its complications but it may end to cardiac involvement secondary to iron overload. angiotensin converting enzyme inhibitors (aceis) are useful medications even in early stages of heart failure. we studied the effects of two common aceis on improvement of heart function ...
1. KH(JA F, PARKER JO, LEDWICK J, WEST RO, ARMSTRONG PW: Assessment of ventricular function in coronary artery disease by means of atrial pacing and exercise. Amer J Cardiol 26: 107, 1970 2. BAHLER RC, MACLEOD CA: Atrial pacing and exercise in the evaluation of patients with angina pectoris. Circulation 43: 407, 1971 3. PARKER JO, KHAJA F, CASE RB: Analysis of left ventricular function by atria...
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