Ch. 8 - Shock

Question 0

How many minutes can the kidneys, liver and GI tract tolerate ischemia?

Answer 0

45-90 minutes

Question 1

How many minutes can the heart, brain and lungs tolerate ischemia?

Answer 1

4-6 minutes

Question 2

How many minutes can the muscle bone and skin tolerate ischemia?

Answer 2

4-6 hrs

Question 3

What is MAP and how is it calculated?

Answer 3

Mean Arterial Pressure = diastolic + 1/3 pulse pressure

Question 4

What is CO and how is it calculated?

Answer 4

Cardiac Output = stroke volume x heart rate

Question 5

What % of blood loss is classified as class I hemmorhage?

Answer 5

15% (up to 750mL)

Question 6

What % or volume blood loss is associated with class II hemmorhage?
What are the clinical signs of class II?

Answer 6

15-30% (750-1500mL)

Tachycardia, tachypnea, normotension

Question 7

What % or volume blood loss is associated with class II hemmorhage?

What are the clinical signs of class III?

Answer 7

30-40% (1500-2000mL)

Hypotension, tachycardia, tachypnea, confusion

Question 8

Name 4 types of distributive (vasogenic) shock?

Answer 8

Neurogenic
Psychogenic
Septic
Anaphylactic

Question 9

When should transport be delayed to gain vascular access?

Answer 9

Never!

Question 10

What is the targeted systolic BP for the trauma patient with uncontrolled hemmorhage?

Answer 10

80-90 systolic or 60-65 MAP