2261 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
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... change • Neurologic ... Positive Hallpike ... Positive head impulse ... differential #diagnosis #neurology
Abnormal (Positive, Upgoing) Babinski Sign on Physical Exam

#Abnormal #Positive #Babinski #Sign #PhysicalExam #clinical #video #reflex #pyramidal
Abnormal (Positive ... #Abnormal #Positive ... reflex #pyramidal #neurology
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
Positive Romberg Test on Physical Exam

The Romberg test is a test of the body's proprioception (sense
Positive Romberg ... Romberg #Test #Sign #Positive ... clinical #video #neurology
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
Abnormal (Positive) Babinski Sign on Physical Exam

Dorsiflexion of the great toe with or without fanning of
Abnormal (Positive ... #Abnormal #Positive ... reflex #pyramidal #neurology