18 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... parvovirus B19 infection ... parvovirus B19 infection ... #rashes #differential ... #diagnosis #rheumatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... hemolysis, deficiency anemia ... Rebound effect from treatment ... #hematology
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Pain - Diagnostic ... Chronic = RA, SLE ... #rheumatology # ... approach #workup ... #differential #
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... - Hemolytic anemia ... Other auto-immune, Infectious ... Lupusreference #SLE ... #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... fibromyalgia) • Infections ... Arthritis: • Joint ... lymphopenia, low PLT • Anemia ... #Diagnosis #Rheumatology
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
) Inflammatory joint ... the face (many differential ... including in children (pediatric ... #erythematosus ... #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... Systemic Lupus Erythematosus ... Lupusreference #druginduced ... #table #rheumatology ... #diagnosis #management
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... Diagnosis Algorithm ... inclusions - If infection ... #workup #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... procedures - Infection ... test, ANA (e.g., SLE ... changes), high MCV anemia ... #Workup #hematology
Drug Induced Systemic Lupus Erythematosus
> 100 drugs have been associated with drug-induced SLE
High risk (>5%):
 •
with drug-induced SLE ... for 1 year of treatment ... Lupusreference #DrugInduced ... pharmacology #risk #differential ... #diagnosis #rheumatology