13 results
Janeway Lesion: Flat, painless, erythematous lesions seen on the palm of this patient's hand. While
frequently associated
, in this case, ... Photo credit, Josh ... Goldberg, M.D. - UCSD ... #Dermatology #SkinRash ... #UCSDH
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
vasculitis which causes ... frequently mistaken for cellulitis ... Goldberg, M.D. - UCSD ... Images #Clinical #Photo ... #Dermatology #SkinRash
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... vasculitis - GPA ... • Bacterial endocarditis ... #Diagnosis #hematology ... #rheumatology #
Causes of Arterial and Venous Thrombosis - Differential Diagnosis Framework

STRUCTURAL:
 - PFO: paradoxical emboli
 - Popliteal
Causes of Arterial ... Venous Thrombosis - Differential ... artery aneurysm: Causes ... NBTE (marantic endocarditis ... Diagnosis #clots #hematology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Cryoglobulinemia, Endocarditis ... ANCA (C-ANCA): GPA ... Glomerulonephritis #Vasculitis #differential ... diagnosis #algorithm #rheumatology
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... subacute bacterial endocarditis ... Mnemonic #diagnosis #differential ... #hematology
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... - Differential ... valve replacement, endocarditis ... Thrombocytopenia #Differential ... Diagnosis #Framework #hematology
Recurrent / Breakthrough DVT During Anticoagulation

Subtherapeutic Anticoagulation
Hypercoagulable State 
 - Antithrombin deficiency 
 - Hypercoagulability ot
Hypercoagulability ot Ca ... Structural - Pelvic masses ... anticoagulation #hematology ... #differential #
Embolic Phenomena: Purplish discoloration of skin resulting from embolus to small toe. In this case, the
In this case, the ... Images #Clinical #Dermatology ... Embolic #Vegetation #Endocarditis ... Janeway #Lesions #Photo ... #UCSDH
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Hemoptysis - Differential ... Kaposi's sarcoma • Rheumatologic ... ANCA-Assoc vasculitis (GPA ... regurgitation, Tricuspid endocarditis ... Diagnosis #pulmonary #causes