27 results
Syphilis Diagnostic Algorithm
 • Syphilis (TP) EIA
 • RPR
 • A different treponemal specific test (TPPA)

ID
Syphilis Diagnostic Algorithm ... treponemal specific test ... Syphilis #Diagnosis #Algorithm ... #Testing #laboratory
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
• Additional laboratory ... tests may be needed ... Test for celiac ... if serology is positive ... Non-invasive testing
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False Positives ... Rate of False Positives ... naproxen and modern tests ... DrugScreening #UDS #Testing ... #Laboratory #diagnosis
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
may cause false positive ... tests Amphetamines ... DrugScreens #UDS #Laboratory ... FalsePositive #Testing
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
; if positive, test ... - Positive in ... - CCP antibody testing ... more time for the laboratory ... Rheumatoid #Arthritis #laboratory
Pronator Drift (Pyramidal Drift) on Physical Exam

Testing showed pronator drift on the left side in this
Physical Exam Testing ... the 50-second test ... to maintain the position ... PhysicalExam #clinical #video
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Galactomannan Testing ... Specificity and False Positives ... the use of this test ... Galactomannan #Fungal #Testing ... FalsePositives #Laboratory
Active Straight Leg Raise Test (ASLR)

The ASLR tests assesses the ability to load the pelvis through
Straight Leg Raise Test ... Pain (PGP) Testing ... positive if there ... maintaining the position ... pelvis #clinical #video
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
Fecal Occult Blood Test ... Results False Positive ... medication False Positive ... #OccultBlood #Testing ... #Laboratory #FalsePositive
Thumb CMC Axial Grind Test

Testing for osteoarthritis of the thumb at the trapezium metacarpal joint is
Testing for ... Reproduction of pain is a positive ... test. ... Video via @open_michigan ... PhysicalExam #clinical #video