9 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
auditory findings BPPV ... • Short-lived ... Positive Hallpike test ... or supine roll test ... Vertigo #Algorithm #differential
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Hypophostphatemia Laboratory ... Tests: - Haptoglobin ... #Hemolysis #Differential ... #Diagnosis #hematology
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... disease • Pull test ... texture at bald spots ... fungi Initial Laboratory ... Tests: • TSH
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 ... is a skin prick test ... Behcet disease) Differential ... signs #symptoms #rheumatology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... value is low, tests ... indirect antiglobulin tests ... WBC count and differential ... Diagnosis #Workup #Hematology
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
dx of IA PPV ... the use of this test ... in BAL does not differentiate ... FalsePositives #Laboratory
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
anterior chest wall, parts ... other etiology • Laboratory ... blockers had the best ... SAPHO #Syndrome #Rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
and fever) and laboratory ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... with: • Minimal laboratory ... • Malar rash - spares
RPR - False Positives
Causes of a false positive RPR that are not syphilis. (False-negative treponemal tests
False-negative treponemal tests ... are rare; case reports ... False #Positives #differential ... diagnosis #syphilis #laboratory