Shock Flashcards
(8 cards)
1
Q
What is compensated shock?
A
Normal BP w/inadequate perfusion
2
Q
What is Pathologic peripheral blood vessel vasodilation?
Examples?
A
Distributive
Sepsis, anaphylaxis, neurogenic
3
Q
What kind of shock is non-cardiac obstruction to blood flow?
Examples?
A
Obstructive
PE, Tension Pneumo, tamponade
4
Q
How to calculate shock index?
What is normal?
What does > 1.0 indicate?
A
HR / systolic BP
.5 to .7
Dec LV function —> higher mortality
5
Q
What are common lab abnormalities in shock?
A
Anemia
Dec/inc wbc w/left shift
In lactate/dec Bicarb
End organ damage (Cr, LFT, ARDS on CXR)
6
Q
What is the target of central venous oxygenation?
A
> 70%
7
Q
Resuscitation of a shock state successful when?
A
Normal BP/HR/urine output Lactate dec by half Normal volume status Max tissue O2 Resolution of acidosis
8
Q
Oxygen delivery = ?
Equation
A
CO x [(1.34 x Hb x SaO2) + (.003 x PaO2)]
