Topic 2 Cardiovascular system - Parameter and figures Flashcards
I. Parameters of Cardiovascular system
1. Duration of PQ interval of ECG (HR = 75/min)
0.12 - 2s
I. Parameters of Cardiovascular system
2. Duration of QRS Complex of ECG (HR = 75/min)
0.06 - 0.1 s
I. Parameters of Cardiovascular system
3. Duration of P wave of ECG
< 0.11s
I. Parameters of Cardiovascular system
4. Amplitude of ST-segment of ECG
- Maximal change: 0.1 - 0.2 mV
-> If elevated, this is the sign of myocardial infarction
I. Parameters of Cardiovascular system
5. Amplitude of R and T waves of ECG in II.
R: 0.5 - 2 mV
T: < 0.5 mV
I. Parameters of Cardiovascular system
6. Duration of cardiac cycle (HR=75/min)
0.8s
I. Parameters of Cardiovascular system
7. Duration of systole (HR=75/min)
0.27s
I. Parameters of Cardiovascular system
8. Duration of diastole (HR=75/min)
0.53s
I. Parameters of Cardiovascular system
9. Duration of ventricular ejection
about 0.25s
I. Parameters of Cardiovascular system
10. Duration of ventricular filling
About 0.38s
I. Parameters of Cardiovascular system
11. Stroke volume
About 80 mL
I. Parameters of Cardiovascular system
12. Systolic pressure in the aorta
120 mmHg
I. Parameters of Cardiovascular system
13. Diastolic pressure in the aorta
80 mmHg
I. Parameters of Cardiovascular system
14. Systolic pressure in the right ventricle
25 mmHg
I. Parameters of Cardiovascular system
15. Diastolic pressure in the right ventricle
0 mmHg
I. Parameters of Cardiovascular system
16. Systolic pressure in the left ventricle
120 mmHg
I. Parameters of Cardiovascular system
17. Diastolic pressure in the left ventricle
4 mmHg
I. Parameters of Cardiovascular system
18. Systolic pressure in the a. pulmonalis
24 mmHg
I. Parameters of Cardiovascular system
19. Diastolic pressure in the a. pulmonalis
9 mmHg
I. Parameters of Cardiovascular system
20. Definition and parameter of Central venous pressure
- Def: Central venous pressure is the blood pressure in the venae cavae, near the right atrium of the heart.
- Value: 0 - 2 mmHg
I. Parameters of Cardiovascular system
21. Blood flow of kidney
1200 - 1300 ml/min (20 - 25% of CO)
I. Parameters of Cardiovascular system
22. Blood flow of splanchic area
1500 ml/min (25% of CO)
AVDO2: 30 - 40 mL O2/ Blood
I. Parameters of Cardiovascular system
23. Blood flow of brain
QB: 750 - 800 ml/min
AVDO2: 60 mL O2/ Blood