185 results
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Commonly Used Diagnostic ... disease) - May be negative ... HLA-DQ8 - High negative ... Reflects response to treatment ... #Diagnosis #Workup
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
patients with anemia, diagnose ... chronic kidney tests ... Test for celiac ... endoscopy only if: • Negative ... Evaluation #workup #diagnosis
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... cause of AVS and negative ... a stand-alone test ... #Diagnosis #PhysicalExam ... #Neurology #AVS
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 ... Pupillary #Defect #Neurology ... #Clinical #Video
IDSA Recommendations for Preventing Human Papillomavirus Infections and Cervical Cancer Screening for Women with in HIV-AIDS
Recommendations
or been newly diagnosed ... HIV aged 21–29 should ... following initial diagnosis ... • Pap test should ... IDSA #Prevention #Treatment
Instructions on how to perform the swinging light test to detect a relative afferent pupillary defect.

http://www.cmaj.ca/content/early/2015/01/05/cmaj.140685

Normal
swinging light test ... swinging light test ... Both pupils should ... Both pupils should ... #Diagnosis #PhysicalExam
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
evaluation of the clinical ... /or suspicious clinical ... sought to support a diagnosis ... Areas of diagnostic ... #Differential #Diagnosis
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
individual studies Clinical ... diseases, describe clinical ... negative: TN / ... median > mode), negative ... #calculations #diagnosis
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
: Negative (Note ... patient with a clinical ... patient with a clinical ... Labyrinthitis #diagnosis ... #neurology #comparison
Psittacosis 
Pathogen: Chlamydia psittaci - obligate intracellular gram negative
Transmission:
 • Birds are the primary reservoir
 •
intracellular gram negative ... hemoptysis, diarrhea Diagnosis ... Microimmunofluorescent antibody test ... first line of treatment ... #microbiology #diagnosis