23 results
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... less systemic symptoms ... myositis, and arthritis ... @AnnKumfer #Autoimmune ... Myositis #diagnosis #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Autoimmune → Inflammation ... constitutional symptoms ... weeks) Can Be Caused ... Rheumatologic Disease ... Diagnosis #MSK #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
or nerve root Symptoms ... • Inflammatory arthritis ... Noninflammatory arthritis ... trauma (e.g., meniscal ... Joint #Pain #MSK #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Positive ANA ≠ Autoimmune ... context of other symptoms ... Juvenile Idiopathic Arthritis ... Thyroid, Autoimmune ... ANA #patterns #rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... pylori test (GI symptoms ... ), (neurologic/psychiatric ... patients if the cause ... #Workup #hematology
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
of giant cell arteritis ... Is visual loss caused ... the optic nerve caused ... • Cephalic symptoms ... GiantCellArteritis #GCA #Rheumatology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... Autoimmune diseases ... and duration of symptoms ... angioedema Other symptoms ... Urticaria #diagnosis #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... infection • Autoimmune ... arthralgia, and arthritis ... classification #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... , Arthritis, myalgia ... constitutional symptoms ... Discontinuation of causal ... comparison #table #rheumatology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Giant cell arteritis ... identifies 85 to 95% of cases ... them, but urgent rheumatology ... absence of visual symptoms ... Temporal #Signs #Symptoms