Hemodynamics Flashcards
coronary blood flow at rest
250 ml/min
4-5% of resting cardiac output
Heart AVDO2
114 ml/l (more than double of the body average).
Perfusion pressure (pressure gradient) in the systemic /pulmonary circulation
92/6 mmHg
Total peripheral resistance (at rest)
16,5 mmHg × min/l
Pulmonary vascular resistance
1,5 mmHg × min/l
Blood pressure drop in the systemic resistance vessels (arterioles)
60 mmHg
Average flow velocity in the aorta: 22.5 cm/s, in the capillaries: 0,03 cm/s, cross sectional area of the aorta 4 cm2, total cross sectional area of capillaries: 3000 cm2.
22.5 cm/s,
Average flow velocity in the capillaries:
0,03 cm/s,
Cross sectional area of the aorta
4 cm2
Total cross sectional area of capillaries
3000 cm2.
Arterial systolic/diastolic/mean pressures
120/80/93 mmHg
Pulse pressure
40 mmHg
Average systemic capillary hydrostatic (blood) pressure:
17,3 mmHg
Interstitial hydrostatic pressure:
-3 mmHg
Plasma oncotic (colloidosmotic) pressure: 28 mmHg
28 mmHg
Interstitial oncotic (colloidosmotic) pressure:
8 mmHg
Average pulmonary capillary hydrostatic pressure: 10-11 mmHg
10-11 mmHg
Lymph flow:
3-4 l/day.
Mean vascular filling pressure:
7 mmHg
Cental venous pressure:
0-2 Hgmm.
When standing up (orthostasis) the increase of venous blood volume in the lower extremity:
500 ml.
Pulmonary artery systolic/diastolic/mean pressure:
24/9/14 mmHg
Pulmonary artery pulse pressure:
15 mmHg
Left atrial pressure:
6-8 mmHg.
