48 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
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... Hypocomplementemic Urticarial Vasculitis ... Formation -> Vasculitis ... #HUV #Pathophysiology ... #Rheumatology
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Vascular: • Arterial ... insufficiency • Vasculitis ... • Bleomycin Hematologic ... Herpes simplex - Bacterial ... ulcerative #skinrash #dermatology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Thrombosis vs Arterial ... 19 - PNH - Vasculitis ... Embolism #Venous #Arterial ... #pathophysiology ... #hematology #differential
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
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Pathophysiology: ... trauma, infection, vasculitis ... process such as vasculiitis ... #Diagnosis #Dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... syndrome - Coronary arteries ... Thrombosis and arterial ... Lab Tests: • CBC ... differential #diagnosis #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
• Ig A vasculitis ... HCV, HBV Not Vasculitis ... gangrenosum • Bacterial ... Differential #Diagnosis #hematology ... #rheumatology #
Granulomatosis with Polyangiitis (GPA) and Microscopic Polyangiitis (MPA) - ANCA Vasculitis Management Algorithm - ACR/VF 2021
Polyangiitis (MPA) - ANCA Vasculitis ... Induction Rx: RTX over CYC ... over GC+RTX, GC+CYC ... Polyangiitis #MPA #ANCA #Vasculitis ... Guidelines #algorithm #rheumatology
Polyarteritis Nodosa (PAN) - Vasculitis Management Algorithm - ACR/VF 2021 Guidelines
 • Severe Disease → Remission
Nodosa (PAN) - Vasculitis ... pulse IV GC with CYC ... Polyarteritis #Nodosa #Vasculitis ... Guidelines #algorithm #rheumatology