51 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 ... #Shock #Pathophysiology ... diagnosis #algorithm #causes
Causes, classification and compensatory responses to shock.

Shock can be caused by any pathological process that leads
Causes, classification ... Shock can be caused ... The cause of shock ... #Diagnosis #CriticalCare ... #Causes #Types
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 ... #Shock #Types #Pathophysiology ... #Comparison #criticalcare
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
: Distributive shock ... , Shock where ↑ ... Bradyarrhythmias, Some cases ... comparison #table #pharmacology ... #criticalcare
Vasopressors and Inotropes
 • Norepinephrine - Levophed - "Levo" - Generally thought of as the first
pressor added in shock ... in refractory shock ... in setting of shock ... Inotropes #management #criticalcare ... comparison #table #pharmacology
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... a.k.a. neurogenic shock ... exacerbation (any cause ... DrEricStrong #Shock ... Classification #Table #CriticalCare
Vasopressors Demystified

Shock comes in many flavors and so do vasopressors. Here’s a OnePager summarizing my approach
Demystified Shock ... Vasopressors #Basics #CriticalCare ... #Management #Pharmacology
Hypotension - Rapid Response Management

1) Ask for vitals en route
2) Immediate Assessment
3) Examine for a cause:
Examine for a cause ... Hypotension #Management #criticalcare ... #Shock
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
and Inotropes - Pharmacology ... first agent in shock ... • Higher doses cause ... line in septic shock ... cAMP/cGMP • Causes
Pressors and Inotropes

Norepinephrine
 • alpha1 > beta 1
 • Increase SVR > Inotropy
Vasopressin
 • V1
 •
Pressors #Inotropes #criticalcare ... #pharmacology # ... comparison #shock