54 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar ... rashSLE ... lesions • Discoid lupus ... #differential #diagnosis
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
69% - Malar rash ... - Neurological 12% ... involvement 3% SLE-Related ... Other auto-immune, Infectious ... Lupusreference #SLE
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
(SLE) - Diagnosis ... 40, F:M 9:1 • Clinical ... Manifestations: Malar rash ... life-threatening • Treatment ... Evolution: Chronic disease
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Algorithm Low ... Renal Disease, Liver ... Inflammation, Chronic Infection ... (>100 fL) • B12 ... #Hematology
Causes of Secondary IgA Nephropathy - Differential Diagnosis Algorithm
 • GI disorders: Celiac disease, Crohn's disease,
Algorithm • GI ... Ulcerative Colitis • Liver ... Cirrhosis, NASH ... spondylitis, RA, SLE ... #Algorithm
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
to 1:1 F:M • Clinical ... NPSLE rare, Malar rash ... Evolution: Chronic disease ... #table #rheumatology ... #diagnosis #management
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... ) Suspect: Clinical ... Differential Diagnosis ... fibromyalgia) • Infections ... Malignancy (e.g. hematologic
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Macroangiopathic, Infections ... Folate deficiency, B12 ... Non-megaloblastic: Liver ... disease, Alcoholism ... #hematology
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Algorithm Monoarthritis ... within 1 month of infection ... Erythematosus (SLE ... like “butterfly rash
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
likely it will be clinically ... : Lupus (SLE), Systemic ... Lymphoproliferative Disorders, Infection ... ANA #patterns #rheumatology ... #diagnosis #differential