763 results
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
Can Cause False Positives ... yielding false-positive ... can cause false positives ... Amphetamine false positives ... Desipramine • DMAA • Ephedrine
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False Positives ... Rate of False Positives ... dextroamphetamine, doxepin, ephedrine ... result in false positives ... enough to prevent positive
Hypotension in Anesthesiology - Differential Diagnosis and Management 

Initial checklist: 
 - Verify BP (e.g. surgeon
(ephedrine / phenylephrine ... Head down position
False Positive Urine Drug Screens
Amphetamines - Amantadine, brompheniramine. bupropion, chlorpromazine, desipramine, ephedrine, isometheptene, isoxsuprine, labetalol, phentermine,
False Positive Urine ... , desipramine, ephedrine ... quetiapine #False #Positive
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
TP + FN) = true positives ... disease absent Positive ... TP + FP) = true positives ... / all positives ... all negatives Positive
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
Vancomycin and Dalbavancin (lipoglycopeptide antibiotics) - Antibiotics Class Overview

Mechanism: Glycopeptide -  inhibits cell wall synthesis
synthesis in Gram positives ... Spectrum: gram positive ... or proven gram positive ... choice for gram positive
Jugular Venous Pressure Measurement
Examiner places the patient in a reclined position and puts the base of
in a reclined position ... Positive: JVP >
Cephalosporins 
Cephalosporins are bactericidal beta-lactam antibiotics derived from the fungus Acremonlum— they disrupt peptidoglycan formation in
active against gram-positives ... with reduced gram-positive
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
worsen with head position ... Positive Hallpike ... vestibular neuritis); positive ... Positive head impulse