9 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
context of other symptoms ... Lymphoproliferative Disorders, Infection ... , Interstitial Pulmonary ... ANA #patterns #rheumatology ... #diagnosis #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
(ACLE) • Erythematous ... fibromyalgia) • Infections ... Joint pain • Swan ... PNS and CNS • Headache ... #Diagnosis #Rheumatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
(headache and diplopia ... ) Differential Diagnosis ... #diagnosis #management ... #signs #symptoms ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... ischemia • Skin: Erythematous ... tract: Abdominal pain ... tract, and often causes ... #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... to exclude are infections ... purpura: strong sign ... C-ANCA) pattern: antibodies ... #diagnosis #rheumatology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
with systemic, neurologic ... vs infection vs ... them, but urgent rheumatology ... #Symptoms #Diagnosis ... #Management
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... papules, pustules, erythematous ... Constitutional symptoms ... #HIV #AIDS #pulmonary
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Tenderness → Consider infectious ... ) • Shawl sign ... • Nonerosive arthritis ... statins - probably caused ... Myositis #Myopathy #rheumatology
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
cough, chills, headache ... symptomsRheumatologic ... yeast • At risk: AIDS ... Meningitis, septic arthritis ... #Management #Infections