5 results
Causes of False-Positive and False-Negative IGRA and TST Results

#Diagnosis #TB #Tuberculosis #Tuberculin #SkinTest #TSTs #IGRA #FalseNegatives
Causes of False-Positive ... Tuberculin #SkinTest #TSTs ... #IGRA #FalseNegatives ... #FalsePositives ... #Causes
Echinococcal Cysts in the Liver- The physical examination revealed hepatomegaly with a palpable hepatic mass. Laboratory
Echinococcal Cysts ... Laboratory tests ... indicated an anti-echinococcus ... Hydatid disease is caused ... by the echinococcus
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
Causes of Inaccurate ... Fecal Occult Blood Test ... OccultBlood #Testing #Laboratory ... #FalsePositive ... #FalseNegative #
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
drugs that may cause ... false positive tests ... DrugScreens #UDS #Laboratory ... Toxicology #Diagnosis #FalsePositive
Vertebral Hydatidosis- Physical examination revealed impaired sensation in both legs and weak foot flexion. Laboratory tests
Laboratory tests ... assay identified Echinococcus ... Echinococcus is ... Infection can cause ... echinococcosis #echinococcus