Cardiac Physiology Flashcards
1
Q
Duration of the systole/diastole
A
270/530 ms (at 75 beats/min heart rate)
2
Q
Left ventricular pressure (systole/diastole)
A
120/6-8 mmHg
3
Q
Right ventricular pressure (systole/diastole)
A
24/0-2 mmHg
4
Q
Left atrial pressure
A
6 - 8 mmHg
5
Q
Right atrial pressure
A
0 - 2 mmHg
6
Q
Heart rate at rest/at maximal work
A
70 - 180/min
7
Q
Stroke volume at rest/at maximal work
A
70 - 80/125 ml
8
Q
Left ventricular end-systolic volume
A
40 - 80 ml
9
Q
Left ventricular end-diastolic volume
A
110 - 160 ml
10
Q
Left ventricular ejection fraction
A
0.5 - 0.7
11
Q
Cardiac output at rest/maximal work
A
5.5 - 24 l/min
12
Q
Cardiac index
A
3.2 l/min/m2
13
Q
Duration of the myocardial action potential
A
200 - 300 ms
14
Q
Frequency of the intrinsic pacemaker, the SA node
A
100 AP/min
15
Q
Standard paper speed for ECG recording
A
25 mm/s (1mm = 40ms)
