Results 31 to 40 of about 531,305 (348)
Single beat determination of intraventricular systolic dyssynchrony in paitents with atrial fibrillation and systolic dysfunction [PDF]
, 2013 Background:: Atrial fibrillation (AF) is the most common clinically significant cardiac arrhythmia. However, diagnosis of intraventricular dyssynchrony in patients with AF is difficult due to beat-to-beat variation. Additionally, evaluation of mechanical
Aghapour, Sevil +5 more
core +1 more source
Time related Characteristics of cardiac systole, diastole, baroreeeptor activity and inactivity during vagal stimulation and mild haemorrhage in the dog [PDF]
, 1990 The duration of cardiac systole and diastole in each individual cardiac cycle were measured from aortic pressure curves during vagal stimulation and mild haemorrhage with simultaneous recording of aortic baroreceptor single fibre nerve activity.
Hakumäki, Martti O.K. +3 more
core +2 more sources
Tissue-Specific Cell Cycle Indicator Reveals Unexpected Findings for Cardiac Myocyte Proliferation. [PDF]
, 2016 RationaleDiscerning cardiac myocyte cell cycle behavior is challenging owing to commingled cell types with higher proliferative activity.ObjectiveTo investigate cardiac myocyte cell cycle activity in development and the early postnatal period.Methods and
Chen, Ju +2 more
core +1 more source
Systolic phases of the cardiac cycle in children [PDF]
The American Journal of Cardiology, 1969 The duration of the systolic phases of the cardiac cycle in 390 normal children was determined from high-speed simultaneous recordings of the electrocardiogram, phonocardiogram, apexcardiogram, and carotid pulse. Data were obtained on children 1 mo to 13 years of age and analyzed to define the independent effects of aging and heart rate on the systolic
David Golde, Luis Burstin
openaire +4 more sources
Following one's heart: cardiac rhythms gate central initiation of sympathetic reflexes [PDF]
, 2009 Central nervous processing of environmental stimuli requires integration of sensory information with ongoing autonomic control of cardiovascular function.
Critchley, Hugo D +4 more
core +1 more source
Diagnostics, 2022 We aimed to investigate the relation between the time intervals of the flow velocity waveform of ductus venosus (DV-FVW) and cardiac cycles. We defined Delta A as the difference in the time measurements between DV-FVW and cardiac cycles on the assumption
Naomi Seo +10 more
doaj +1 more source
Frontiers in Medicine, 2023 ObjectiveThis study aimed to demonstrate the reliability of the cardiac cycle efficiency value through its correlation with longitudinal strain by observing the effect of the deep Trendelenburg position.DesignA prospective, observational study ...
Emir Kılınç +5 more
doaj +1 more source
Cardiac Progenitors and the Embryonic Cell Cycle [PDF]
Cell Cycle, 2007 Despite the critical importance of proper cell cycle regulation in establishing the correct morphology of organs and tissues during development, relatively little is known about how cell proliferation is regulated in a tissue-specific manner. The control of cell proliferation within the developing heart is of considerable interest, given the high ...
Sarah C. Goetz, Frank L. Conlon
openaire +3 more sources
Synchronization of Wave Flows of Arterial and Venous Blood and Phases of the Cardiac Cycle: Part 3 [PDF]
International Journal of Biomedicine, 2018 Hemodynamic indices studied in healthy people were obtained by catheterization in various vascular areas: the chambers of the heart (ventricles, atria, coronary sinus), pulmonary trunk, sigmoid sinus, aorta, inferior vena cava, superior vena cava (SVC ...
Alexander G. Kruglov +3 more
doaj +1 more source
Filament tension and phase-locked drift of meandering scroll waves [PDF]
, 2011 Rotating scroll waves are self-organising patterns which are found in many oscillating or excitable systems. Here we show that quasi-periodic (meandering) scroll waves, which include the rotors that organise cardiac arrhythmias, exhibit filament tension ...
Hans Dierckx +6 more
core +5 more sources