65 results
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Commonly Used Diagnostic ... ) - May be negative ... HLA-DQ8 - High negative ... treatment - Requires endoscopy ... #Diagnosis #Workup
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
patients with anemia, diagnose ... Test for celiac ... disease with serology ... only if: • Negative ... Evaluation #workup #diagnosis
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 ... true negatives. ... #calculations #diagnosis
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
alternating light test ... swinging-flashlight test ... very sensitive diagnostic ... Defect #Neurology #Clinical ... Pupils #MacrusGunn #PhysicalExam
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... Diagnosis for Pulmonary ... polyangiitis) - ANCA-negative ... , biopsy By Tess ... #diagnosis #nephrology
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Areas of diagnostic ... alcohol-related liver disease ... non-alcoholic fatty liver disease ... Liver #Enzymes #Differential ... #Diagnosis
Asterixis is a type of negative myoclonus characterized by irregular lapses of posture of various body
Asterixis is a type of negative ... associated with liver disease ... hyperammonemia #PhysicalExam ... #clinical #diagnosis
Nail diseases and disorders.
 - Spoon Nails (Koilonychia)
 - Pitting of Nails
 - Beau's Lines
 -
Nail diseases and ... white spots) #Diagnosis ... Fingernail #Disorders #Differential ... Leukonychia #Table #Clinical ... #PhysicalExam
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
result with no clinical ... intermediate risk of disease ... ) False-negative ... because false-negative ... sample = 95% • A negative
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Studies in Rheumatic Diseases ... ANAs; thus, a negative ... (to support a diagnosis ... ANA and RF (if clinical ... laboratory #workup #diagnosis