9 results
Shock - Pathophysiology 
Inadequate tissue perfusion to meet O2, nutrient requirements
1. Distributive Shock
2. Hypovolemic Shock
3. Cardiogenic
Shock - Pathophysiology ... Hypovolemic Shock ... Obstructive Shock ... #Shock #Pathophysiology ... diagnosis #algorithm #causes
Shock Classification Types - Pathophysiology Comparison

Obstructive Shock:
 • Obstructive shock is characterized by a blockage in
Types - Pathophysiology ... Comparison Obstructive ... Shock: • Obstructive ... Hypovolemic Shock ... #Shock #Types #Pathophysiology
Hypotension / Shock Differential Diagnosis Algorithm
Hypovolemic:
 • Poor oral intake
 • Hemorrhage
 • Renal loss
 •
Hypotension / Shock ... Diagnosis Algorithm Hypovolemic ... ventricular outflow obstruction ... Dysautonomia Obstructive ... #causes
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Classification Hypovolemic ... contractility) - Acute ... exacerbation (any cause ... - Myocarditis Obstructive ... (Mechanical obstruction
Bedside Classification of Shock

Hypovolemic shock 

- Vomiting, diarrhea, overdiuresis 

- Hemorrhage (GI, peritoneal, RP) 

Distributive shock
Hypovolemic shock ... cardiomyopathy Acute ... LV outflow Obstruction ... Classification #Hypovolemic ... #Cardiogenic #Comparison
Shock and Vasoactive Drugs 
1) Determine type and etiology of shock
 • Distributive: Sepsis, Anaphylaxis, Neurogenic
• Cardiogenic: Acute ... MI, Acute Heart ... Arrhythmias / CHB • Hypovolemic ... Pancreatitis • Obstructive ... diagnosis #management #comparison
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Acute Kidney Injury ... Pre-Renal: • Hypovolemia ... , Distributive Shock ... Post-Renal: • Obstruction ... Diagnosis #nephrology #causes
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
MAP = CO x SVR Hypovolemic ... heart failure, acute ... , S3, crackles Obstructive ... findings based on cause ... Diagnosis #table #comparison
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Unequal/DeIayed: • Obstructive ... tamponade • AECOPD/ Acute ... of Asthma • Hypovolemic ... shock • Constrictive ... Diagnosis #Algorithm #causes