Hemodynamics

Question 1

At risk for pulmonary embloism

Answer 1

long bone fracture, sedentary lifestyle

Question 2

PaCO2 of 60

ETCO2 of 33……what dz process does this represent

Answer 2

Pulmonary embolism

***Accompanied by marked decreased in O2

Question 3

three types of catheters we looked over

Answer 3

arterial line
central venous
pulmonary artery

Question 4

How do you measure CVP

Answer 4

laying flat at END OF EXHALATION

Question 5

Pt taking breath on vent vs spontaneous and how it effects CVP

Answer 5

Spontaneous breaths will lower CVP

Question 6

If CVP is very low due to dehydration…what two things can be given to them

Answer 6

Lactated Ringers, Normal saline

Question 7

two choices of CVP placement AND Pulmonary artery catheter

Answer 7

right internal jugular vein or subclavian

Question 8

Balloon on catheter is filled when and with how much

Answer 8

Only for the placement and when taking the measurment

Question 9

Why would someone be putting cold saline into the PAC

Answer 9

thermodilution

Question 10

What does thermodilution actually measure?

Answer 10

CO

Question 11

Transducer placement

Answer 11

Needs to be placed level with the right atrium.

**If placed to low….it will read false high

Question 12

The port for inflating the balloon is always what color

Answer 12

RED

Question 13

PAC can take what measurements?

Answer 13

Proximal will measure CVP
Distal will measure PAP
Inflating balloon measure wedge pressure

Question 14

Wedge pressure represents what part of the heart?

Answer 14

Left atrium

Question 15

What pressure indicates left sided heart failure aka CHF

Answer 15

> 18mmHg

Question 16

PCWP range

Answer 16

4-12mmHg

Question 17

What is the sole purpose of the distal port?

Answer 17

to obtain a TRUE mixed venous blood

Question 18

What does mixed venous blood represent?

Answer 18

It helps show perfusion of tissues

Question 19

What does thermodilution

Answer 19

Helps evaluate CO