Cardiovascular Physiology - Parameters

Question 1

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

Answer 1

0.12 - 0.2 sec

Question 2

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

Answer 2

0.06 - 1 sec

Question 3

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

Answer 3

< 0.1 sec

Question 4

Amplitude of ST-segment of ECG

Answer 4

Isoelectric

Question 5

Amplitude of R and T waves of ECG in II. lead

Answer 5

R wave: ~ 0.4 - 1.3 mV
T wave: 0.1 - 0.6 mV

Question 6

Duration of cardiac cycle (HR=75/min)

Answer 6

0.8 sec

Question 7

Duration of systole (HR=75/min)

Answer 7

0.27 sec

Question 8

Duration of diastole (HR=75/min)

Answer 8

0.54 sec

Question 9

Duration of ventricular filling (HR=75/min)

Answer 9

0.21 sec

Question 10

Stroke volume

Answer 10

~ 70 mL

Question 11

Systolic pressure in the aorta

Answer 11

120 mmHg

Question 12

Diastolic pressure in aorta

Answer 12

80 mmHg

Question 13

Systolic pressure in the right ventricle

Answer 13

~25 mmHg

Question 14

Diastolic pressure in the right ventricle

Answer 14

~0 - 3 mmHg

Question 15

Systolic pressure in the left ventricle

Answer 15

~120 mmHg

Question 16

diastolic pressure in the left ventricle

Answer 16

~ 7 mmHg

Question 17

Systolic pressure in the pulmonary artery

Answer 17

~24 mmHg

Question 18

Diastolic pressure in pulmonary artery

Answer 18

~9 mmHg

Question 19

Central venous pressure

Answer 19

1 - 2 mmHg

Question 20

Blood flow of kidney

Answer 20

~1300 mL/min

Question 21

Blood flow of splanchnic area

Answer 21

~1250 ml/MIN

Question 22

Blood flow of brain

Answer 22

~750 - 800 mL/min

Question 23

Blood flow of heart

Answer 23

250 ml/min

Question 24

Blood flow of skin

Answer 24

resting: 4 - 5% of CO

Question 25

Blood flow of skeletal muscle

Answer 25

1000 ml/min

Question 26

CSF volume

Answer 26

150 mL

Question 27

Protein concentration of CSF

Answer 27

very low
~0 mg/dl

Question 28

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

Answer 28

• Arteriolar end: 35 mmHg
• Venular end: 15 mmHg

Question 29

Effective filtration pressure of capillaries in the arteriolar end and in the venular end

Answer 29

• Arteriolar end: ~ 15 mmHg
• Venular end: ~ -5 mmHg

Question 30

Oxygen consumption in 1 minute

Answer 30

250 ml/min

Question 31

AVDO2 in the systemic circulation

Answer 31

50 ml O2/L

Question 32

AVDO2 in the kidney

Answer 32

~15 ml O2/L

Question 33

AVDO2 in the splanchnic area

Answer 33

~30 ml O2/L

Question 34

AVDO2 in the brain

Answer 34

~60 ml O2/L

Question 35

AVDO2 in the heart in resting condition and during physical exercise

Answer 35

• Resting: ~120 ml O2/L
• Physical exercise: ~130 ml O2/L

Question 36

AVDO2 in the skin

Answer 36

120 ml O2/L

Question 37

AVDO2 in the skeletal muscles in resting condition and during physical exercise

Answer 37

• Resting: ~50 - 60 ml O2/L
• Physical exercise: ~130 ml O2/L