13 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
Shock - Differential Diagnosis Algorithm
Warm Extremities
 - Distributive Shock - Low JVP
Shock - Differential ... Diagnosis Algorithm ... Tamponade - Hypovolemic ... Differential #Diagnosis #Algorithm ... #causes
Hypotension / Shock Differential Diagnosis Algorithm
Hypovolemic:
 • Poor oral intake
 • Hemorrhage
 • Renal loss
 •
Hypotension / Shock ... Differential Diagnosis Algorithm ... Hypovolemic: ... Differential #Diagnosis #Algorithm ... #shock #causes
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... Classification Hypovolemic ... a.k.a. neurogenic shock ... exacerbation (any cause ... Classification #Table
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
• Asthma • COPD ... PVFM) Cardiac Causes ... Hematologic Causes ... dehydration • Hypovolemic ... shock (blood and
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Differential Diagnosis Algorithm ... of Asthma • Hypovolemic ... shock • Constrictive ... Differential #Diagnosis #Algorithm ... #causes
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Differential Diagnosis Algorithm ... Artery Disease • Stable ... Differential #Diagnosis #Algorithm ... #Causes
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... MAP = CO x SVR Hypovolemic ... findings based on cause ... uw_IMresidency #Shock ... Differential #Diagnosis #table
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Kidney stones caused ... Cardiac arrest • Hypovolemic ... shock V2 receptor-agonist ... • Treatment of hypervolemic ... #Medications #Table
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... : Hypovolemia, Hypervolemia ... differential #diagnosis #table