66 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
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
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
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
The test characteristics of the heterophile antibody (AKA the monospot test) are not perfect and can
can lead to both false ... positive and false
Hypotension in Anesthesiology - Differential Diagnosis and Management 

Initial checklist: 
 - Verify BP (e.g. surgeon
(ephedrine / phenylephrine
The test characteristics of the heterophile antibody (AKA the monospot test) are not perfect and can
can lead to both false ... positive and false
Abdominal Aortic Aneurysms (AAA) - Summary Sheet
 • Risk Factors
 • Diagnosis
 • Management
 • True
Management • True vs False