Hypovolemic

Question 1

What is the physiology behind hypovolemic shock?

Answer 1

> 40% for two or more hours
Unable to successfully resuscitate
Series of inflammatory responses driving organ dysfunction

Question 2

Causes of hypovolemic shock

Answer 2

Dehydration, hemorrhage, GI fluid loss, urine loss, intramuscular volume loss, venodilation secondary to spinal chord injury or sepsis

Question 3

Describe the hemodynamic effects of hypovolemic shock including: SV, ventricular preload, HR, PP, BP, and O2

Answer 3

SV: decreased
Vent preload: decreased
HR: Tachycardia
PP: decreased
BP: hypotensive
O2: low

Question 4

Signs and symptoms of hypovolemic shock

Answer 4

Pale skin, cool skin, tachypnea, flat peripheral veins, decreased JVD, decreased UO, altered mental status

Question 5

What fluid volume loss is not tolerated well in the body

Answer 5

20-25% or greater

Question 6

Describe the CVP, PCWP, CO, and SVR in hypovolemic shock

Answer 6

CVP: decreased
PCWP: decreased
CO: decreased
SVR: increased