Emergency War Surgery, Chapter 7 Shock, Resuscitation, and Vascular Access Flashcards
Usually how much blood volume loss has occurred in the shock patient with hypotension?
30-40%
What are two causes of distributive shock?
Neurogenic
Septic
What type or shock is associated with bradycardia and hypotension?
Neurogenic
Neuroginc is typically the result of spinal injuries above what level?
T6
By what volume does 1000mL Lactated Ringers expand intravascular volume by within 1 hour of administration?
250 mL
By what volume does Hextend 500mL expand intravascular volume by within 1 hour?
800 mL
In which condition would Hextend not be as effective in increasing intravascular volume?
a patient with significant dehydration
In neuroginc shock, what blood pressure do you try to maintain with intravascular resuscitation?
SBP > 110
or mean arterial pressure > 80
In the neuroginc shock patient, what medication can you add after intravascular resuscitation?
Vasopressors like Phenylephrine
After definitive hemorrhage control, what urine output do you want to achieve in the patient with shock?
> 0.5 mL/kg/h
What is the maximum time IO devices should be in place?
24 hours
How much blood volume is lost in a patient in Class I shock?
<15%
How much blood volume is lost in a patient in Class II shock?
15-30%
How much blood volume is lost in a patient in Class III shock?
30-40%
How much blood volume is lost in a patient in class IV shock?
> 40%