13 results
Shock - Pathophysiology 
Inadequate tissue perfusion to meet O2, nutrient requirements
1. Distributive Shock
2. Hypovolemic Shock
3. Cardiogenic
Shock - Pathophysiology ... #Shock #Pathophysiology ... #differential # ... 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 ... vasodilatation, myocardial dysfunction ... #Differential # ... Causes #Types #Classification
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... Diagnosis by Classification ... exacerbation (any cause ... #Differential # ... #Table #CriticalCare
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Dyspnea - Differential ... Diagnosis Algorithm ... Artery Disease • Stable ... #Causes
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Diagnosis by Classification ... #Syncope #Differential ... #Diagnosis #Classification ... #Table #Causes
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Shock Overview ... death -> end-organ dysfunction ... #Classification ... #criticalcare #differential ... #causes #classification
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Shock Overview ... death -> end-organ dysfunction ... #Classification ... #criticalcare #differential ... #causes #classification
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
renal tubular dysfunction ... Hypomagnesemia #Differential ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Infection/Sepsis/Shock ... Etiology: • Pathophysiology ... unclear, endothelial dysfunction ... Reversible course Differential ... the underlying cause
Peripartum Cardiomyopathy - Summary
1. Definition
 • Towards the end of pregnancy to 5 months postpartum
Idiopathic LV dysfunction ... exclude other causes ... Differential Diagnosis ... thrombus, RV systolic dysfunction ... Pts: cardiogenic shock