Shock - Differential Diagnosis Algorithm

Warm Extremities

 - Distributive Shock - Low JVP

     • Sepsis

     • Anaphylaxis

     • Burns

     • Neurogenic 

Cold Extremities

 - Cardiogenic Shock - Bibasilar Lung Crackles

     • Myocardial Ischemia or Infarction

     • Left-sided Valvular Disease

     • Arrhythmia

     • Cardiomyopathy (ie. HOCM)

 - Obstructive Shock - Normal/Decreased Breath Sounds

     • Pulmonary Embolism

     • Tension Pneumothorax

     • Cardiac Tamponade

 - Hypovolemic Shock (Rule out Decompensated Distributive Shock)

     • Hemorrhage

     • Dehydration

     • Vomiting

     • Diarrhea

     • Interstitial Fluid Redistribution



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