Obstructive Flashcards
1
Q
What is obstructive shock defined as
A
Extra cardiac cardiovascular obstruction
2
Q
Example causes of obstructive shock
A
Pericarditis, pericardial tamponade, tension pneumothorax, tumors, PE, pulmonary hypertension
3
Q
s/s of obstructive shock
A
Low SR, low oxygen, low CO
Increased LA
4
Q
Tension pneumothorax and mediastinal tumor effects on hemodynamics
A
Hypovolemic presentation
5
Q
Hemodynamic effects of cardiac tamponade
A
Increased left and right pressures
6
Q
Constrictive pericarditis effects on hemodynamics
A
Right and left pressures ~ 5
7
Q
PE effects on hemodynamics
A
RV failure
Increase in RA, RV, PA pressures
Normal PAOP
8
Q
Obstructive shock effects on CVP, PCWP, CO, SVR
A
CVP: increased
PCWP: increased or decreased
CO: decreased
SVR: increased
