Shock

Question 1

Types of shock

Answer 1

Hypovolemic shock
Distributive shock
Obstructive shock
Cardiogenic shock

Question 2

Obstructive shock

Answer 2

SBP <90mmHg orMAP <70 mmHg
May have reduced urine output, altered mental status, etc
elevated lactate
Evidence of PE, Cardiac tamponade, tension pneumothorax

Question 3

Cardiogenic shock

Answer 3

May have significant cardiac history
May present with chest pain, syncope
May have signs of heart failure- dyspnea on exertion/at rest, orthopnea, PND, leg swelling
Reduced urine output, may have altered mental status.
SBP <90mmHg or MAP < 70 mmHg
May have arrhythmias

Question 4

Hypovolemic shock

Answer 4

Suspect with
cold clammy extremities, SBP < 90 mmHg, reduced urine output, +/- altered mental status
May have evidence of bleeding, internal fluid losses- third spacing, GI losses e.g profuse diarrhea
Elevated lactate