scholarly journals Consequences of Using an Orthotropic Stress Tensor for Left Ventricular Systole

2020 ◽  
Author(s):  
Tobias Gerach ◽  
Steffen Schuler ◽  
Ekaterina Kovacheva ◽  
Olaf Doessel ◽  
Axel Loewe
Keyword(s):  
Stress Tensor ◽  
Left Ventricular ◽  
Ventricular Systole ◽  
Left Ventricular Systole

Effect of Ca on duration of Q-T interval and ventricular systole in dog

1963 ◽  
Vol 205 (4) ◽  
pp. 785-789 ◽  
Author(s):  
Borys Surawicz
Keyword(s):  
Diastolic Pressure ◽  
Left Ventricular ◽  
Filling Pressure ◽  
Similar Magnitude ◽  
Volume Changes ◽  
Ventricular Systole ◽  
Wide Range ◽  
Ventricular Filling Pressure ◽  
Left Ventricular Systole ◽  
Ventricular Filling

The relation between the duration of the Q-T interval and of the left ventricular systole was studied in dogs with induced hypo- and hypercalcemia. At all studied Ca concentrations the change in the duration of both intervals was of similar magnitude and the relation between the duration of Q-T and ventricular systole was nearly constant as long as the heart rate was regular and the ventricular end-diastolic pressure did not change abruptly. Changes in the Q-T duration were due to changes in the duration of the interval from the end of QRS to the apex of T. In the postextrasystolic beats and during alternans the duration of left ventricular systole changed independently of the duration of the Q-T interval. It was concluded that the ventricular systole adjusts its duration to the duration of repolarization, more specifically to the duration of the plateau of the ventricular action potential, within a wide range of Ca concentrations. An escape from this adjustment occurs when the ventricular filling pressure or volume changes abruptly.

Effect of Physical Training on Left Ventricular Systole

Cardiology ◽  
1967 ◽  
Vol 51 (1) ◽  
pp. 33-45 ◽  
Author(s):  
M.H. Frick ◽  
T. Somer ◽  
R.O. Elovainio
Keyword(s):  
Physical Training ◽  
Left Ventricular ◽  
Ventricular Systole ◽  
Left Ventricular Systole

scholarly journals ANALYSIS OF THE TEMPORAL SEQUENCE OF LEFT VENTRICULAR SYSTOLE IN NORMAL CHILDREN BY ECHOCARDIOGRAPHY

1977 ◽  
Vol 11 (4) ◽  
pp. 391-391
Author(s):  
L George ◽  
A N Demaria ◽  
T A Riemenschneider ◽  
L C Welnert ◽  
A L Neumann ◽  
...  
Keyword(s):  
Left Ventricular ◽  
Temporal Sequence ◽  
Normal Children ◽  
Ventricular Systole ◽  
Left Ventricular Systole

scholarly journals THE DURATION OF LEFT VENTRICULAR SYSTOLE IN MITRAL INCOMPETENCE

Heart ◽  
1962 ◽  
Vol 24 (4) ◽  
pp. 464-468 ◽  
Author(s):  
P. G. F. Nixon ◽  
G. R. Wagner
Keyword(s):  
Left Ventricular ◽  
Ventricular Systole ◽  
Mitral Incompetence ◽  
Left Ventricular Systole
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