39 results
Shock - Pathophysiology 
Inadequate tissue perfusion to meet O2, nutrient requirements
1. Distributive Shock
2. Hypovolemic Shock
3. Cardiogenic
Shock - Pathophysiology ... Distributive Shock ... Hypovolemic Shock ... differential #diagnosis #algorithm ... #causes
Bedside Classification of Shock

Hypovolemic shock 

- Vomiting, diarrhea, overdiuresis 

- Hemorrhage (GI, peritoneal, RP) 

Distributive shock
Classification of Shock ... Hypovolemic shock ... - Septic shock ... Endocarditis - Post-MI ... #Cardiogenic #Comparison
Shock and Vasoactive Drugs 
1) Determine type and etiology of shock
 • Distributive: Sepsis, Anaphylaxis, Neurogenic
Shock and Vasoactive ... and etiology of shock ... Cardiogenic: Acute MI ... #Vasopressors #shock ... diagnosis #management #comparison
Shock - Differential Diagnosis Algorithm
Warm Extremities
 - Distributive Shock - Low JVP
Shock - Differential ... Diagnosis Algorithm ... - Distributive Shock ... Differential #Diagnosis #Algorithm ... #causes
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... a.k.a. neurogenic shock ... contractility) - Acute MI ... exacerbation (any cause ... DrEricStrong #Shock
Shock Classification Types - Pathophysiology Comparison

Obstructive Shock:
 • Obstructive shock is characterized by a blockage in
Shock Classification ... Pathophysiology Comparison ... in blood flow caused ... Depends on the cause ... #Comparison #criticalcare
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... failure, acute MI ... findings based on cause ... uw_IMresidency #Shock ... Diagnosis #table #comparison
Hypotension / Shock Differential Diagnosis Algorithm
Hypovolemic:
 • Poor oral intake
 • Hemorrhage
 • Renal loss
 •
Hypotension / Shock ... Differential Diagnosis Algorithm ... • Neurogenic shock ... Differential #Diagnosis #Algorithm ... #shock #causes
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
: Distributive shock ... ), Cardiogenic shock ... , Shock where ↑ ... Bradyarrhythmias, Some cases ... Vasopressors #Inotropes #comparison
Arrhythmias - Differential Diagnosis Algorithm
May present as: palpitations, dizziness, syncope, chest discomfort
Cardiac Causes:
 - Structural
Differential Diagnosis Algorithm ... tissue (previous MI ... ) Non-Cardiac Causes ... Differential #Diagnosis #Algorithm ... #causes