10 results
Idiopathic Inflammatory Myopathies - 
Dermatomyositis (DM), Immune-Mediated Necrotizing Myopathy (IMNM), Antisynthetase Syndrome (ASS), Inclusion Body Myositis
Immune-Mediated Necrotizing Myopathy ... Myopathies #Idiopathic #Myopathy ... #Comparison #Managment ... #algorithm #Rheumatology ... #Differential
Break down Vasculitis based on vessel size
#Diagnosis #Rheumatology #Differential #Vasculitis #VesselSize #Small #Medium #Large #Classification
size #Diagnosis #Rheumatology ... #Differential # ... VesselSize #Small #Medium ... #Large #Classification
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
load Drug-induced myopathy ... 5-15% of lupus myopathy ... #differential # ... diagnosis #comparison ... #rheumatology
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
involvement by large ... Large vessel vasculitis ... affects large arteries ... #Diagnosis #Rheumatology ... #Differential #
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin - Differential ... Urticaria • Medium ... Polyarteritis nodosa Large ... #dermatology #rheumatology ... #differential #
Inherited Qualitative Platelet Defects
Bernard-Soulier Syndrome
 • Defect of adhesion due to a lack of GP Ib/IX/V
Thrombocytopenia, Large ... Thrombocytopenia, Large ... Platelet #Defects #comparison ... #table #differential ... #diagnosis #hematology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
vasculitis and large-vessel ... Medium and large ... Behcet disease) Differential ... signs #symptoms #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
+ MPO-ANCA MEDIUM ... , arthritis LARGE ... Vessel Size: • Large ... aortic aneurysm • Medium ... #diagnosis #rheumatology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Involves large and ... medium sized vessels ... of inflammation large ... very remarkable w/differential ... them, but urgent rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... discrepancies LARGE ... primary condition MEDIUM ... chorioretinitis, CNS large ... #Diagnosis #Rheumatology