28 results
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Systemic Lupus (SLE ... lesions Abdominal pain ... ) Blood (75%): Anemia ... erythematosus #signs #symptoms ... #diagnosis #rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Workup History ... pylori test (GI symptoms ... test, ANA (e.g., SLE ... changes), high MCV anemia ... #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential Diagnosis ... genotypes): SS, SC, SE ... #Algorithm #workup ... #hematology #testing
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
- Hemolytic anemia ... involvement 3% SLE-Related ... Lupusreference #SLE ... autoantibodies #signs #symptoms ... #differential #rheumatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
nose, ears, or fingers ... of anemia include ... anemia • Cold ... chills, flank pain ... #hematology #diagnosis
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... • Immunologic Workup ... constitutional symptoms ... comparison #table #rheumatology ... #diagnosis #management
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
Inflammatory joint pain ... the wrists and fingers ... , or pain everywhere ... many differential diagnoses ... erythematosus #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
or nerve root Symptoms ... -60 minutes or longer ... #MSK #rheumatology ... #approach #workup ... #differential #diagnosis
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
and duration of symptoms ... within one hour or longer ... angioedema Other symptoms ... Nausea, abdominal pain ... #rheumatology #
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Arthritis Differential Diagnosis ... constitutional symptoms ... arthritis • SLE ... #Differential #Diagnosis ... #MSK #rheumatology