Chapter 20 Review

Question 1

Balloon tip/swan-ganz catheters can be used to measure what?

Answer 1

Hemodynamic variables

Question 2

Pulmonary wedge capillary pressure pertains to which side of heart?

Answer 2

Left

Question 3

PWCP is aka?

Answer 3

-Pulmonary artery occluding pressure
-Left ventricular preload

Question 4

Pulmonary artery pressure (PAP) normal value?

Answer 4

25/8

Question 5

Mean Pulmonary Artery Pressure (MPAP) normal value?

Answer 5

10-20 mm Hg

Question 6

Normal cardiac output?
Cardiac Index?

Answer 6

4-8
2-4

Question 7

Mean Arterial Pressure value?

Answer 7

93-94mm Hg

Question 8

Wedge pressure greater than 18 signifies what?

Answer 8

pulmonary edema (pink frothy secretions)

Question 9

What effect does ventilator with positive pressure have on venous return?

Answer 9

Decreases

Question 10

SVR correlates with what?

Answer 10

Afterload, preload, contractility

Question 11

Map equation

Answer 11

(syst+2dyst)/3

Question 12

Clinical focus 20.1
What would a physical exam reveal in pt w left ventricular failure?
Name main 2

Answer 12

Dyspnea and fine crackles
hypotension, cool clammy skin. etc

Question 13

Clinical focus 20.5
When was balloon inflated and deflated?

Answer 13

-inflated on diastole
-deflated on systole

Question 13

ADH causes retention of what?

Answer 13

Water

Question 13

SVR formula

Answer 13

=(Map-CVP)/CO x80

Question 14

PVR formula

Answer 14

=(mpap-pcwp)/co x80

Question 15

Main clinical measure of pwcp for left ventricle?

Answer 15

Hydrostatic pressure

Question 16

CVP value?

Answer 16

2-6

Question 17

PCWP value?

Answer 17

4-10

Question 18

How may inotropic drugs worsen myocardial ischemia?

Answer 18

By increasing myocardial work and oxygen demand

Question 19

PCWP greater than 25 and CO 1.5 signifies?

Answer 19

Left ventricular failure

Question 20

Low SVR is caused by what?

Answer 20

Excessive vaso dialation