41 results
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False Positives ... *, hemp foods: tea ... • coca leaf teas ... levofloxacin, ofloxacin, poppy ... seeds, poppy oil
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 ... : • Coca tea ... (Benadryl) • Poppy
Thessaly Test for Knee Meniscal Tear

The test is positive if there is medial or lateral joint
Knee Meniscal Tear ... The test is positive ... Meniscal #Injury #Tear ... #physicalexam #msk
Drop Arm Test - Supraspinatus Tear

The drop arm test evaluates for a supraspinatus muscle tear.
Passively adduct
Supraspinatus Tear ... supraspinatus muscle tear ... The test is positive ... Supraspinatus #Tear ... video #sports #msk
Crank Test for Labral Tear of the Shoulder

To perform the Crank Test, fully abduct the shoulder
Test for Labral Tear ... is considered a positive ... suggestive of a labral tear ... #Test #Labral #Tear ... video #sports #msk
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
Positive Lachman ... anesthesia with an ACL tear ... #Knee #Injury #Positive ... cruciate #ligament #msk
False Positive Urine Drug Screens
Amphetamines - Amantadine, brompheniramine. bupropion, chlorpromazine, desipramine, ephedrine, isometheptene, isoxsuprine, labetalol, phentermine,
False Positive Urine ... Cocaine - Coca leaf teas ... fluoroquinolones, poppy ... quetiapine #False #Positive
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Differential Diagnosis Algorithm ... spine/Pelvis - Positive ... Fractures #Pathologic #MSK ... Differential #Diagnosis #Algorithm
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
beat colision) ● Positive ... show entirely positive ... Brugada algorithm ... Positive or negative ... point) of S > 100 ms
Gram Positive Cocci - Bacteria Identification Algorithm
Catalase(+)
 - Coag(+): Staphylococcus aureus
 - Coag(-)
Gram Positive Cocci ... Identification Algorithm ... Cullen Lilley, MS ... identification #algorithm