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GBA Physiology > Cardiovascular Physiology - Parameters > Flashcards

Cardiovascular Physiology - Parameters Flashcards

1
Q

Blood volume

A

5.5L (average)- higher for male, lower for female

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2
Q

Hematocrit (% of RBC) Average:

A

0.45 (45%)

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3
Q

Hematocrit Male:

A

0.4-0.52

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4
Q

Hematocrit Female:

A

0.35-0.47

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5
Q

Hemoglobin concentration

A

12 – 16 g/dL (or 120-160 g/L)

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6
Q

Blood plasma protein concentration:

A

average 7 g/dL

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7
Q

Albumin plasma concentration:

A

3.5-5 g/dL (60% of protein concentration)

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8
Q

Immunoglobulin plasma concentration:

A

1-1.5 g/dL (~20%)

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9
Q

Fibrinogen

A

0.2-0.45 g/dL (4%)

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10
Q

Duration of PQ (or PR) interval of ECG (HR=75/min)

A

0.12-0.2 sec

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11
Q

Duration of QRS complex of ECG (HR=75/min)

A

0.06-0.1 sec

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12
Q

Duration of P wave of ECG (HR=75/min)

A

< 0.11 sec

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13
Q

Amplitude of ST-segment of ECG

A

0.1-0.2 mV (or 1-2 “small squares”)

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14
Q

Amplitude of R and T waves of ECG in lead II

A

R > 5mm (up to 20 mm)

T < 5mm

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15
Q

Duration of cardiac cycle (HR=75/min)

A

0.8 Sec

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16
Q

Duration of systole (HR=75/min)

A

0.27 (~0.3) Sec

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17
Q

Duration of diastole (HR=75/min)

A

0.53 (~0.5) Sec

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18
Q

Duration of ventricular ejection (HR=75/min)

A

~0.25 Sec (Ejection phase Rapid + Slow)

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19
Q

Duration of ventricular filling (HR=75/min)

A

~0.38 Sec (Rapid filling + Diastasis + Last Rapid filling)

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20
Q

Stroke volume

A

80 ml

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21
Q

Systolic pressure in the aorta

A

120 mmHg

22
Q

Diastolic pressure in the aorta

A

80 mmHg

23
Q

Systolic pressure in the right ventricle

A

24 mmHg

24
Q

Diastolic pressure in the right ventricle

A

4 mmHg

25
Q

Systolic pressure in the left ventricle

A

120 mmHg

26
Q

Diastolic pressure in the left ventricle

A

~4 mmHg (barely above 0)

27
Q

Systolic pressure in the Pulmonary artery

A

24 (~25) mmHg

28
Q

Diastolic pressure in the Pulmonary artery

A

9 (~10) mmHg

29
Q

Central venous pressure

A

0-2 mmHg

can be considered as right atrium pressure

30
Q

Blood flow of kidney

A

1200-1300 ml / min (20-25% of CO)

31
Q

AVDO2 in the kidney

A

350 ml O2 / L blood

32
Q

Blood flow of splanchnic area

A

1500 ml / min (25% of CO)

33
Q

AVDO2 in the splanchnic area

A

30-40 ml O2 / L blood

34
Q

Blood flow of brain

A

700-800 ml / min (15% of CO)

35
Q

AVDO2 in the brain

A

60 ml O2 / L blood

36
Q

Blood flow of heart (coronary arteries)

A

200-250 ml / min (5% of CO)

37
Q

AVDO2 in the heart in resting condition

A

110 ml O2 / L blood (60-80% extraction of O2)

38
Q

AVDO2 in the heart during physical exercise

A

110 ml O2 / L blood (60-80% extraction of O2)

already at maximum extraction, only way to compensate- is to increase blood flow to the heart

39
Q

Blood flow of skin

A

100-300 ml / min (5-7% of CO) (Neutral Temperature)

40
Q

AVDO2 in the skin

A

20-30 ml O2 / L blood

41
Q

Blood flow of skeletal muscles at rest:

A

5-10 ml / 100g / min

42
Q

Blood flow of skeletal muscles during exercise:

A

100-250 ml / 100g / min (x20-25 times higher)

43
Q

AVDO2 in the skeletal muscles in resting condition

A

60 ml O2 / L blood

44
Q

AVDO2 in the skeletal muscles in during physical exercise

A

150 ml O2 / L blood

45
Q

Cerebrospinal fluid volume

A

120 ml

46
Q

Protein concentration of cerebrospinal fluid

A

0.03 g / dL

47
Q

Hydrostatic pressure of capillaries in the arteriolar end and in the venular end

A

Arteriolar end: 30-40 mmHg (Filtration)

Venular end: 10-15 mmHg (Filtration)

48
Q

Effective filtration pressure (pressure difference) of capillaries in the arteriolar end and in the venular end

A

Arteriolar end: +14 mmHg (Filtration)

Venular end: -9 mmHg (Absorption)

49
Q

Oxygen consumption in 1 minute

A

250 ml / min

50
Q

AVDO2 in the systemic circulation

A

60 ml O2 / L blood

51
Q

Capillary Oncotic Pressure:

A

25 mmHg (Constant mostly)

GBA Physiology (12 decks)

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