28 results
Shock - Pathophysiology 
Inadequate tissue perfusion to meet O2, nutrient requirements
1. Distributive Shock
2. Hypovolemic Shock
3. Cardiogenic
Shock - Pathophysiology ... requirements 1. ... Cardiogenic Shock ... #Shock #Pathophysiology ... diagnosis #algorithm #causes
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
), Cardiogenic shock ... desired (e.g., cardiogenic ... desired (e.g., cardiogenic ... , Some cases of ... Inotropes #comparison #table
Shock Classification Types - Pathophysiology Comparison

Obstructive Shock:
 • Obstructive shock is characterized by a blockage in
Types - Pathophysiology ... in blood flow caused ... Depends on the cause ... Cardiogenic Shock ... #Shock #Types #Pathophysiology
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... a.k.a. neurogenic shock ... ) Cardiogenic ( ... exacerbation (any cause ... Classification #Table
Shock and Vasoactive Drugs 
1) Determine type and etiology of shock
 • Distributive: Sepsis, Anaphylaxis, Neurogenic
Shock and Vasoactive ... Drugs 1) Determine ... and etiology of shock ... Neurogenic • Cardiogenic ... management #comparison #table
Hypotension - Rapid Response Management

1) Ask for vitals en route
2) Immediate Assessment
3) Examine for a cause:
Management 1) ... Examine for a cause ... directed approach • Cardiogenic ... #criticalcare #Shock
Clinical Management for Three Common Causes of Shock 
HEMORRHAGIC SHOCK
 • Ensure adequate ventilation and oxygenation.
for Three Common Causes ... of Shock HEMORRHAGIC ... SHOCK • Ensure ... CARDIOGENIC SHOCK ... • Consider intraaortic
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... hypersensitivity Cardiogenic ... bradycardia • Sinus pauses ... Classification #Table ... #Causes
Inpatient Cath Lab Indications
Cath Lab ASAP:
STEMI
NSTEMI:
1. Unstable/cardiogenic shock
2. Severe LV dysfunction or
3. Recurrent/persistent rest angina despite
STEMI NSTEMI: 1. ... Unstable/cardiogenic ... shock 2. ... Rx: NSTEMI/UA: stable ... , TIMI low (1-2)
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... pressure, pallor Cardiogenic ... findings based on cause ... uw_IMresidency #Shock ... Differential #Diagnosis #table