2231 results
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
that Can Cause False ... Amphetamine false ... Desipramine • DMAA • Ephedrine ... Cannabinoid false ... Benzodiazepine false
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False ... (High Rate of False ... dextroamphetamine, doxepin, ephedrine ... NSAlDs resulting in false-positive ... not result in false
False Positive Urine Drug Screens
Amphetamines - Amantadine, brompheniramine. bupropion, chlorpromazine, desipramine, ephedrine, isometheptene, isoxsuprine, labetalol, phentermine,
False Positive Urine ... , desipramine, ephedrine ... , quetiapine #False
False Positive Lung Point on POCUS
Lung-Cardiac Point and Lung-Diaphragm Point
These images highlight selected differentials to pleural
False Positive Lung ... Point on POCUS ... UAlberta_Sono #False ... #LungPoint #POCUS
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... in HbA1c == False ... Transfusions == False ... Transfusions #False
Hemothorax - Thoracic ultrasound in trauma
False positive for consolidated lung- organized clot in pleural space after
ultrasound in trauma False ... hemorrhagic #clinical #pocus
Ephedrine - Anesthesia Pharmacology
Trade Name: Ephedrine
Brand Name(s): Akovaz
Drug Type: Sympathomimetic Catecholamine
Time of Onset: Rapid
Duration of Action:
Ephedrine - Anesthesia ... Pharmacology Trade Name: Ephedrine ... countbackwardsfrom10 #Ephedrine
Deep Vein Thrombosis Ultrasound Pocket Card
Deep Vein Thrombosis Scanning Sites:
 • Common Femoral Vein 
 •
Vein Thrombosis False ... Hematoma - POCUS ... Thrombosis #DVT #pocus
The test characteristics of the heterophile antibody (AKA the monospot test) are not perfect and can
can lead to both false ... positive and false
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
Sensitivity Specificity False-Positive ... False-Negative