6 results
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... • Pull test ... texture at bald spots ... Tests: • TSH ... #Differential #
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... MAHA: TTP, HUS, DIC ... , Drugs, Liver Disease ... Hypophostphatemia Laboratory ... Tests: - Haptoglobin
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
auditory findings BPPV ... • Short-lived ... or supine roll test ... Méniére's disease ... Vertigo #Algorithm #differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
pathognomonic laboratory ... tests in Behcet ... syndrome (Clinical Dx ... is a skin prick test ... ) Differential Diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
and fever) and laboratory ... and permanent alopecia ... Differential ... with: • Minimal laboratory ... • Nonscarring alopecia
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Spec 81% for dx ... of IA PPV ... the use of this test ... in BAL does not differentiate ... FalsePositives #Laboratory