31 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Petechial/Purpuric ... ) purpura occurs ... Nonpalpable purpura ... endocarditis, RMSF, and Henoch-Schönlein ... purpura.
Causes of Purpura - Differential Diagnosis
Disruption in Vascular Integrity: 
 • Trauma, Infection, Vasculitis, Drug induced
Causes of Purpura ... C), Pigmented purpuric ... BrighamChiefs #Purpura ... #nonpalpable #palpable ... #Causes #Differential
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... - Differential ... Diagnosis Non-PalpabIe ... BrighamChiefs #Purpura ... #Causes #Differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... PURPURA: Platelet ... Acute Infectious Purpura ... • Pigmented Purpuric ... OF PALPABLE PURPURA
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Purpura Purpura ... Palpable purpura ... Tip: To differentiate ... purpura (IgA), ... #Legs #Rash #clinical
Pediatric Causes of Abdominal Pain

Surgical:
 - Acute appendicitis 
 - Intestinal obstruction including intussusception 
 -
Pediatric Causes ... calculus - Henoch—Schönlein ... purpura - Diabetic ... #Causes #Differential ... #Diagnosis #Peds
Glomerulonephritis - Differential Diagnosis Framework
ANCA:
 • C-ANCA: GPA (Wegener's)
 • P-ANCA: Microscopic Polyangiitis, Eosinophilic GPA (Churg
Glomerulonephritis - Differential ... Diagnosis Framework ... IgA Nephropathy, Henoch ... Schonlein Purpura ... #causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... infection - RMSF - Henoch ... Schonlein Purpura ... Rash: - Purpura
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... purpura (16%) ... purpura • Vesicles ... overlying purpuric ... purpura • Mixed
Pediatric Acute Abdominal Pain - Differential Diagnosis Algorithm
Generalized/Migratory:
 • Intussusception
 • Gastroenteritis
 • Viral Illness
 •
Pediatric Acute ... Diagnosis Algorithm ... Obstruction • Henoch-Schonlein ... Purpura • Malrotation ... #Causes #Peds #