Hemodynamics

Question 1

SaO2

Answer 1

Arterial Oxygen Saturation
95-100

Question 2

SvO2

Answer 2

Mixed Venous Saturation
60-80

Question 3

ScvO2

Answer 3

Central Venous Oxygen Saturation
70

Question 4

Arterial BP

Answer 4

Systolic 100-140
Diastolic 60-90

Question 5

Mean Arterial Pressure

formula

Answer 5

70-105

SBP + (2xDPB)/3

Question 6

RAP/CVP

Answer 6

Right Atrial Pressure/Central Venous Pressure

8-12

Question 7

Right Ventricular Pressure RVP
s/d

Answer 7

RVSP 15-30
RVDP 2-8

Question 8

Pulmonary Artery Pressure PAP
s/d

Answer 8

PASP 15-30
PADP 8-15

Question 9

Mean Pulmonary Arterial Pressure

formula

Answer 9

9-18

PASP + (2xPADP)/3

Question 10

Pulmonary Artery Occlusion Pressure PAOP

Answer 10

6-12

Question 11

Left Atrial Pressure

Answer 11

LAP

4-12

Question 12

Cardiac Output

Answer 12

HRxSV/1000

4.0-8.0 L/min

Question 13

Cardiac Index

Answer 13

CO/BSA

2.5-4.0 L/min/m2

Question 14

Stroke Volume

Answer 14

CO/HR x 1000

60-100ml/beat

Question 15

Stroke Volume Index

Answer 15

CI/HR x 1000

33-47 ml/m2/beat

Question 16

Stroke Volume Variation

Answer 16

10-15%

Question 17

Systemic Vascular Resistance

Answer 17

800-1200 dynes

Question 18

Systemic Vascular Resistance Index

Answer 18

1970-2390 dynes

Question 19

Pulmonary Vascular Resistance

Answer 19

<250 dynes

Question 20

Pulmonary Vascular Resistance Index

Answer 20

255-285 dynes

Question 21

Left Ventricular Stroke Work

Answer 21

8-10

Question 22

Left Ventricular Stroke Work Index

Answer 22

50-62

Question 23

Right Ventricular Stroke Word

Answer 23

51-61

Question 24

Right Ventricular Stroke Word Index

Answer 24

5-10

Question 25

First method of compensation for low CO

Answer 25

Increase in HR

Question 26

HR increase to compensate for low CO is beneficial up to

Answer 26

120bpm

Question 27

Treat low HR with

Answer 27

Pacing Atropine Epinephrine (in ACLS)

Question 28

Treat high HR with

Answer 28

Adenosine (for SVT) Cardioversion Beta Blockers

Question 29

Preload

Answer 29

Volume in ventricle before squeezing CVP

Question 30

Afterload

Answer 30

Resistance against forward flow SVR or PVR

Question 31

Central Venous Pressure is the same as

Answer 31

Right Atrial Pressure

Question 32

CVP/RAP is decreased by _ shock

Answer 32

Hypovolemic

Question 33

CVP/RAP is increased by _ shock

Answer 33

cardiogenic

Question 34

Treat low CVP

Answer 34

Fluids + hypotension management

Question 35

Treat high CVP

Answer 35

Diuretics

Question 36

Increased volume increases CO up to a point. After that point, excess volume decreases CO due to

Answer 36

Fluid overload

Question 37

If SVR too low

Answer 37

Treat with pressers levophed and vasopressin

Question 38

If SVR too high

Answer 38

Treat with vasodilators ACE ARB CCB Balloon pump

Question 39

The squeeze needed to drive cardiac output

Answer 39

Contractility

Question 40

Contractility is assessed with and _ and measured as _

Answer 40

Echo EF = > 60

Question 41

Contractility is decreased by

Answer 41

Cardiomyopathy Shock state Fluid overload

Question 42

If contractility low treat with

Answer 42

Inotropes - Epi Dopamine Dobutamine Milrinone Devices - ECMO Impella VAD Balloon pump

Question 43

PR Interval

Answer 43

0.12-0.22s

Question 44

QRS Duration

Answer 44

< 0.12

Question 45

QT Duration

Answer 45

men < or = too 0.45 women < or = too 0.47

Question 46

Right side HF symptoms

Answer 46

JVD Peripheral dependent edema Clear lung sounds Elevated CVP

Question 47

Right side HF results in

Answer 47

Hepatomegaly Splenomegaly Anorexia

Question 48

Left side HF symptoms

Answer 48

S3 heart sounds Crackles Tachycardia

Question 49

Left side HF lung symptoms

Answer 49

Dyspnea Hypoxemia Cough Frothy sputum PAWP aka WET LUNGS

Question 50

What arrhythmia is associated with L HF

Answer 50

AFIB

Question 51

PAWP

Answer 51

Pulmonary Artery Wedge Pressure 4-12 Indicates pressure in left ventricular end diastolic pressure

Question 52

For cardiogenic shock

Answer 52

Dobutamine/dopamine INotrop INcreases contractions