61 results
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
with respect to arterial ... affects large arteries ... affects medium arteries ... rarely affects arteries ... #Diagnosis #Rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
• Ig A vasculitis ... gangrenosum • Bacterial ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Osler's Nodes: Painful, erythematous nodules associated with bacterial endocarditis. 
Photo credit, Josh Fierer, M.D.

Charlie Goldberg, M.D.
Osler's Nodes: Painful ... associated with bacterial ... Clinical #Photo #Dermatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Vasculitis Involving ... 50% Cutaneous Vasculitis ... Leukocytoclastic Vasculitis ... #skin #dermatology ... #rheumatology #
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Thrombosis vs Arterial ... Fat Emboli ARTERIAL ... THROMBOSIS Arterial ... 19 - PNH - Vasculitis ... pathophysiology #hematology
Diagnosis and management of Polyarteritis Nodosa (PAN)

Chapel Hill 2012 definition: 
Necrotizing vasculitis ofmedium or small arteries
Necrotizing vasculitis ... ofmedium or small arteries ... glomerulonephritis or vasculitis ... involvement French Vasculitis ... PolyarteritisNodosa #Rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... purpura (16%) • Painful ... #Dermatologic ... Polyangiitis #GPA #dermatology ... rash #diagnosis #rheumatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... Inflammatory Conditions: Rheumatologic ... , Vasculitides, ... infections, TB, Acute bacterial ... Diagnosis #Algorithm #hematology
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Vascular: • Arterial ... insufficiency • Vasculitis ... Herpes simplex - Bacterial ... ulcerative #skinrash #dermatology
Behcet's Syndrome - Diagnosis
Diagnostic Criteria for Behget's Syndrome (International Study Group for Behget's Disease):
 • Recurrent,
Uveitis or retinal vasculitis ... Clinical Features: • Painful ... uveitis, retinal vasculitis ... venous thromboses, arterial ... Diagnosis #criteria #rheumatology