Page 189 - Color Atlas Of Pathophysiology (S Silbernagl Et Al, Thieme 2000)

A. Phases of Cardiac Action (Cardiac Cycle)

Ejection phase
Isovolumetric Isovolumetric
contraction
relaxation Passive
ventricular filling
Cardiac Cycle

IVc I IIa IIb III IVa IVb IVc
Ventricular systole Ventricular diastole
1 R T ECG P
1mV
Atrial systole Q S Q Plate 7.2
120 Incisura
Aortic
pressure
Pressure in the mmHg 2
left ventricle
Pressure in the
left atrium
0 a
Central venous c v
pressure 2 3
(CVP) mmHg x y
0
120
Volume in mL Stroke
left ventricle 70 End- volume (SV)
diastolic
volume (EDV)
4 Residual (endsystolic) volume (ESV)
0
500
Flow rate
in the aorta mL/s
5
0
6 I II (III) (IV)
Heart sounds
Duration ms 50 210 60 Markedly heart rate-dependent 179
–1
(at 70min : ca. 500ms)
Silbernagl/Lang, Color Atlas of Pathophysiology © 2000 Thieme
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