Hemodynamics part 2 - normal hemodynamic and oxygenation parameters

Question 1

Heart Rate

Answer 1

60-100 bpm

Question 2

Blood Pressure (b/p)

Answer 2

90/60 - 140/90 mmHg

Question 3

Mean Arterial Pressure (MAP)

Answer 3

70-110 mmHg

SBP + 2(DBP) /3

Question 4

Cardiac Output (CO)

Answer 4

4-8L/min

Question 5

Cardiac Index (CI)

Answer 5

2.5-4.0 L/min/m^2

CO/BSA

Question 6

Stroke Volume (SV)

Answer 6

50-100 mL/beat

Question 7

Stroke Index (SI)

Answer 7

25-45 mL/beat/m^2

SV/BSA

Question 8

Right Atrial Pressure (RAP) also known as Central Venous Pressure (CVP)

Answer 8

2-6 mmHg or 3-8 cm H2O

Question 9

Pulmonary Artery Pressure (PAP)

Answer 9

20/8 - 30/15 mmHg
Mean: <20 mmHg

Question 10

Pulmonary Artery Occlusion (Wedge) Pressure (PAOP)

Answer 10

8-12 mmHg (but varies depending on the LV function)

Question 11

Systemic Vascular Resistance (SVR)

Answer 11

800-1200 dynes/s/cm-5

(MAP-CVP)/COx80

Question 12

Pulmonary Vascular Resistance (PVR)

Answer 12

50-250 dynes/s/cm-5

Question 13

Coronary Artery Perfusion Pressure (CAPP)

Answer 13

60-80 mmHg

DBP-PAOP

Question 14

Mixed Venous Oxygen Saturation (SvO2)

Answer 14

60-75%
directly measured from pulmonary artery

Question 15

Central Venous Oxygen Saturation (ScvO2)

Answer 15

> 70%
directly measured from superior vena cava

Question 16

Arterial Oxygen Saturation (SaO2)

Answer 16

95-99% on room air

Question 17

Arterial oxygen content (CaO2)

Answer 17

12-16 mL/dL

(Hgb x 1.39 x SaO2) + (PaO2 x 0.003)

Question 18

Oxygen delivery (DO2)

Answer 18

900-1,100 mL/min

CaO2 x CO x 10

Question 19

Oxygen consumption (VO2)

Answer 19

250-350 mL/min

(SaO2 - SvO2) x Hgb x 13.9 x CO