125 results
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
for Celiac Disease ... specificity - Falsely negative ... ) - May be negative ... HLA-DQ8 - High negative ... Reflects response to treatment
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
individual studies Clinical ... , describe clinical ... who test negative ... proportion of negative ... true negatives.
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Additional laboratory tests ... chronic kidney tests ... Test for celiac ... disease with serology ... endoscopy only if: • Negative
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
evaluation of the clinical ... /or suspicious clinical ... the remainder, a clinical ... alcohol-related liver disease ... non-alcoholic fatty liver disease
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Studies in Rheumatic Diseases ... should be obtained ... ANAs; thus, a negative ... • Hepatitis B serology ... ANA and RF (if clinical
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
alternating light test ... swinging-flashlight test ... sensitive diagnostic test ... Pupillary #Defect #Neurology ... #Clinical #Video
Invasive Candidiasis (IC)

Diagnosis:
Culture:
 • Gold standard, but Slow (~2-3 days), 50% sensitivity
 • Blood Sample
 •
Non-culture-based tests ... • Molecular Tests ... Line Targeted Treatment ... • Infectious Diseases ... Consults • Echocardiogram
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
) • Hallpike test ... : Negative (Note ... patient with a clinical ... patient with a clinical ... Labyrinthitis #diagnosis #neurology
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
an autoimmune disease ... Diagnosis: • Based on clinical ... - Improves clinical ... diagnosis #management #neurology ... #treatment
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... skin injury) • Neurologic ... Behcet syndrome (Clinical ... is a skin prick test ... Arthritis, AS Treatment