37 results
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Purpura - Diagnostic Algorithm ... Pathophysiology: ... trauma, infection, vasculitis ... process such as vasculiitis ... identified, other small
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... Leukocytoclastic Vasculitis ... (LCV), Immune complex ... ANCA associated small ... nonpalpable #palpable #Causes
Shock - Pathophysiology 
Inadequate tissue perfusion to meet O2, nutrient requirements
1. Distributive Shock
2. Hypovolemic Shock
3. Cardiogenic
Shock - Pathophysiology ... Inadequate tissue perfusion ... Shock #Shock #Pathophysiology ... differential #diagnosis #algorithm ... #causes
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Differential Diagnosis Algorithm ... with Pressure - Small ... • Acquired - Vasculitis ... #Vascular #Vasculitis ... #causes
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... Differential Diagnosis Algorithm ... Focal: Simple, Complex ... malformation, Aneurysm, Vasculitis ... #Causes #neurology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... causes differentiated ... immunofluorescence Immune Complex ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
adhesion of IgA complexes ... Formation of immune complexes ... histopathologic term for small ... - Cutaneous small ... HenochScholeinPurpura #Pathophysiology
Shock Classification Types - Pathophysiology Comparison

Obstructive Shock:
 • Obstructive shock is characterized by a blockage in
Classification Types - Pathophysiology ... in blood flow caused ... massive pericardial effusion ... Depends on the cause ... Tamponade: pericardial effusion
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea ... Differential Diagnosis Algorithm ... hypertension • Vasculitis ... Pleura: • Pleural effusion ... #Causes
Small Bowel Infarction - Pathogenesis and Clinical Findings

Thankfully, bowel infarction in general is the rarest cause
Small Bowel Infarction ... is the rarest cause ... occurs in the small ... commonly than to the small ... SmallBowel #Infarction #pathophysiology