27 results
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... Recreational drugs, Poisons ... Neurocysticercosis, PML ... Diagnosis #Algorithm #Causes
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Scl70 (in some cases ... Smith, Sm/RNP, Scl ... -70 (in some cases ... -7, PL-12, MDA5, ... differential #diagnosis #rheumatology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... Cold AIHA • PCH ... Diagnosis #Algorithm #Causes ... #Hematology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Anti-dsDNA (in 70% of cases ... scleroderma) - Anti-Scl ... seen in 30—70% of cases ... antibodies #diagnosis #rheumatology
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
everywhere) 2) A rash ... 6) An annular rash ... 7) Always in case ... 8) Always in case ... erythematosus #rheumatology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Manifestations: Malar rash ... Positive in 60-80% of cases ... Management #Summary #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
10% of all lupus cases ... NPSLE rare, Malar rash ... Discontinuation of causal ... Manifestations: Malar rash ... comparison #table #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... #dermatology #rash ... #diagnosis #rheumatology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... Women • ~20% of cases ... Men • ~50% of cases ... Dermatomyositis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
evidence of (fatigue, rash ... Photosensitive rash ... Non-autoimmune rheumatologic ... La, anti-Jo-1, SCL ... Erythematosus #Diagnosis #Rheumatology