atrial systole
Pressure flow studies in man: effect of atrial systole on ventricular function in mitral stenosis
... of atrial contraction on left ventricular function in six patients with varying degrees of mitral stenosis was determined by utilizing the pressure gradient technique to measure instantaneous aortic blood flow and ...
8
Pressure flow studies in man: effect of atrial systole on left ventricular function
... of atrial contraction on left ventricular function, the pressure gradient technique was used to measure instantaneous aortic blood flow and pressure in nine patients, six having complete heart block and three ...
8
Evaluation of diastolic function by three dimensional volume tracking of the mitral annulus with cardiovascular magnetic resonance: comparison with tissue Doppler imaging
... Background: Measurement of mitral annulus (MA) dynamics is an important component of the evaluation of left ventricular (LV) diastolic function; MA velocities are commonly measured using tissue Doppler imaging (TDI). ...
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The diagnosis of hypertrophic cardiomyopathy by cardiovascular magnetic resonance
... AS: atrial systole; BRISK: block regional interpolation scheme of k-space; CITP: C-terminal telopeptide of type I collagen CMR cardiovascular magnetic resonance imaging; CV: cardiovascular; CVA: ...
13
Pressure flow studies in man An evaluation of the duration of the phases of systole
... of systole and other selected hemodynamic ...of atrial systole to ventricular filling, a wide range of stroke volumes were observed at each heart ...
12
Determination of Atrial Diastole and Systole from 2 D Echocardiographic Images Using Artificial Neural Network
... Abstract-This project proposes a new approach to estimate the cardiac cycle phases in 2-D echocardiographic images as a first step in cardiac volume estimation. We focused on analyzing the atrial systole ...
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Case series of cardiac myxomas: A single institutional experience
... left atrium posterior to the interatrial groove. The point of attachment of the tumour to the atrium was determined by inspection and exploration of the tumour with the index finger. An oblique right atriotomy was made ...
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Original Article Fibroblast growth factor-21 is positively associated with atrial fibrosis in atrial fibrillation patients with rheumatic heart disease
... left atrial diame- ter, which indicated that FGF-21 may be an independent risk factor for AF ...with atrial fibrosis as a biological indicator in patients with atrial fibrillation and rheumatic heart ...
8
Tissue Tracking Imaging for Identifying the Origin of Idiopathic Ventricular Arrhythmias: A New Role of Cardiac Ultrasound in Electrophysiology
... Electrical phenomena and its surrogate, the propagation of myocardial contraction, are three-dimensional events with variable sites of origin and distribution patterns. Next generation maps must be able to map the full ...
5
Probing dynamic myocardial microstructure with cardiac magnetic resonance diffusion tensor imaging
... during systole leads to the ob- served circumferential and longitudinal shortening of the ventricle and concomitant radial thickening, along with the twisting of the apex relative to the base that comprises a ...
7
Atrial Fibrillation Induced by Commotio Cordis Secondary to a Blunt Chest Trauma in a Teenage Boy
... (no syncope, no dizziness, no hemodynamic compromise) the occurrence of “atrial commotio cordis ” is underreported. Moreover, it is plausible that “ lone AF ” reported in otherwise healthy athletes could be ...
5
Impact of epicardial ablation of concomitant atrial fibrillation on atrial natriuretic peptide levels and atrial function in 6 months follow-up: does preoperative ANP level predict outcome of ablation?
... both atrial appendages in the original Cox-maze procedure is a major cause of postoperative ANP decrease ...on atrial stretching secondary to hemodynamic changes, but also on structural state and remodeling ...
12
Total average diastolic longitudinal displacement by colour tissue doppler imaging as an assessment of diastolic function
... LV systolic dysfunction is commonly differentiated from LV diastolic dysfunction by the presence of a reduced LVEF [17, 18]. This differentiation is potentially erroneous as abnormalities of contractile function and ...
14
A cellular atlas of Pitx2 dependent cardiac development
... with atrial fibrillation; however, the cellular and molecular processes dictated by Pitx2 during cardiac ontogeny remain ...within atrial cardiomyocyte ...
12
Assessment of left atrial mechanical functions and atrial electromechanical delay in Juvenile idiopathic arthritis by tissue Doppler echocardiography
... imaging. Atrial electromechanical coupling was defined as the time interval from the onset of P wave on the surface electrocardiogram to the beginning of the late diastolic wave (Am wave), ...
8
Quantitative three dimensional cardiovascular magnetic resonance myocardial perfusion imaging in systole and diastole
... Quantitative analysis with MPR yielded high diagnostic accuracies in both systole and diastole (AUC: 0.92 and 0.94 respectively). The optimal MPR cut-off values for detecting significant CAD (1.75 for ...
11
Reduced regional flow in the left ventricle after anterior acute myocardial infarction: a case control study using 4D flow MRI
... peak systole in a representative control subject and in a representative subject with an anterior ...peak systole and in the apex at peak systole and ...
10
Wave Reflection at the Boundary Layer and Initial Factors of Atherosclerosis
... At the end of the systole propagates not a sine wave, but a group of waves. In dispersive system, such as the blood, the wave phase velocity varies with frequency. Higher-frequency waves travel faster than the ...
11
Evaluation of Cardiac Function in Patients with Thalassemia Intermedia
... in systole; LVPWS: Left ventricular posterior wall dimension in systole; LVEDD: Left ventricular end-diastolic dimension; LVESD: Left ventricular end-systolic dimension; EF: Ejection fraction; SF: ...
7
ELECTRIC SYSTOLE (QT INTERVAL) IN ACUTE RHEUMATIC PERICARDITIS IN CHILDREN
... Of 6 cases which showed a normal PR inter al prior to the attack, only 3 showed a prolongation during the acute episode. Those which shoved a pro- longed PR interval prior to the pericar[r] ...
9