22 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Pigmented Purpuric Dermatosis ... /HSP • Cryoglobulinemia ... #Diagnosis #hematology ... #rheumatology #
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
activate the immune system ... • They can cause ... Cryoglobulins Cause ... #types #classification ... #rheumatology #
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
Rhinitis - Allergic Dermatitis ... Asthma Tugs (vasculitis ... Lymphomas - Systemic ... #Diagnosis #Causes ... #hematology
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Diagnosis Algorithm ... • Bullous systemic ... Vesiculobullous #SkinRash ... #dermatology #Differential ... #causes
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
insufficiency • Vasculitis ... • Bleomycin Hematologic ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Diagnosis: Systemic ... differential #diagnosis ... #rheumatology # ... classification
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... the PT and the aPTT ... associated with systemic ... #diagnosis #differential ... #hematology #coagulation
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... Mnemonic C - Cryoglobulinemia ... CHAMPS #Mnemonic #diagnosis ... #differential # ... hematology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Diagnosis Framework ... ANCA associated vasculitis ... Arthritis (RA), Systemic ... #Diagnosis #rheumatology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... / Bruising - Differential ... Diagnosis Algorithm ... • Steroids • Vasculitis ... #Causes #Hematology