33 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 ... purpura. ... #Purpuric #Rash
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
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... PURPURA: Platelet ... Acute Infectious Purpura ... OF PALPABLE PURPURA ... #rheumatology #
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... - Differential ... Thrombocytopenia ... BrighamChiefs #Purpura ... #Causes #Differential
Algorithm for workup of thrombocytopenia based on observation of the peripheral blood film. 
TTP/HUS indicates thrombotic
for workup of thrombocytopenia ... purpura/hemolytic ... , Hematology 2012 ... #Diagnosis #Differential ... #Algorithm #Thrombocytopenia
Drug-Induced Thrombocytopenia
The diagnosis of drug-induced thrombocytopenia can be made only by demonstrating resolution of thrombocytopenia once
Drug-Induced Thrombocytopenia ... purpura. ... #Diagnosis #Hematology ... #Differential # ... #Medications #Causes
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Purpura Purpura ... Palpable purpura ... Tip: To differentiate ... Thrombocytopenia ... Rash #clinical #photo
Thrombotic Microangiopathy - TTP VS HUS

Big picture points : Often hard to differentiate the two entities,
Often hard to differentiate ... Microangiopathy #thrombocytopenic ... #purpura #TTP # ... HemolyticUremicSyndrome #HUS #thrombocytopenia ... Diagnosis #Table #Hematology
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 ... Henoch-Schönlein purpura
Causes of Post-Partum Hemorrhage - Differential Diagnosis Algorithm
Blood Loss: >500mL post vaginal delivery OR >1000 mL
Causes of Post-Partum ... Hemorrhage - Differential ... delivery OR >1000 mL ... purpura (ITP) ... purpura (TTP)