Cardiovascular System Flashcards
Duration of PR interval of ECG (HR: 75/min)
0.2 s
Duration of P wave of ECG (HR: 75/min)
0.1 s
Duration of QRS complex of ECG (HR: 75/min)
0.1 s
Duration of QT interval
0.4 sec
Amplitude of ST-segment of ECG (isoelectric)
+/- 0.1 mV
Amplitude of R and T waves of ECG in II. lead
- R wave: 1.5 mV
- T wave: 0.5 mV
RR interval
0.8 s
Duration of cardiac cycle (HR: 75/min)
0.8 s
Duration of systole (HR: 75/min)
0.27 s
Duration of diastole (HR: 75/min)
0.53 s
Duration of ventricular ejection (HR: 75/min)
0.25 s
Duration of ventricular filling (HR: 75/min)
0.3 s
Stroke volume
70 ml
End-diastolic volume: 140 ml
End-systolic volume: 70 ml
Systolic pressure in the aorta
120 mmHg
Diastolic pressure in the aorta
80 mmHg
Right ventricular pressure
- Systole: 25 mmHg
- Diastole: 5 mmHg
Left ventricular pressure
- Systole: 120 mmHg
- Diastole: 10 mmHg (less that 10!)
Pulmonary artery pressure
- Systole: 25 mmHg
- Diastole: 8 mmHg