37 results
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Irreversible-biopsy required • Lupus ... • Loose anagen syndrome ... • Discoid lupus ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... and Management ... Photosensitivity, Alopecia ... , oral ulcers, Lupus ... Positive in 60-80% of cases
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Disease: Discoid lupus ... : Lupus erythematosus ... , Loose anagen syndrome ... Scaling, pustules, crusts ... Differential #Diagnosis #dermatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
vs SLE Drug Induced ... Discontinuation of causal ... Photosensitivity, Alopecia ... Usual therapeutic management ... rheumatology #diagnosis #management
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... severe disease & renal ... block • Sjogren syndrome ... #Systemic #Lupus ... #rheumatology #management
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
- Hyperkalemia ... Bradycardia • Renal ... Autoimmune: • SLE ... Spondylarthropathies Other causes ... differential #diagnosis #causes
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... and permanent alopecia ... Shrinking lung syndrome ... • Nonscarring alopecia ... APLA/LAC: • Renal
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Erythematosus (SLE ... Demyelinating Syndrome ... autoantibodies that will cause ... Erythematosus #SLE ... cerebritis #diagnosis #management
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
Measurement in SLE ... (e.g. renal failure ... #Measurement #SLE ... pharmacology #levels #lupus ... #management
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... - Tumor lysis syndrome ... deficiency • Renal ... insufficiency/Failure • SLE ... differential #diagnosis #causes