471 results
Central retinal artery occlusion (CRAO). Positive "spot sign" on Ocular Ultrasound

78 yo M with sudden onset
Positive "spot sign ... " on Ocular Ultrasound ... POCUS #Ocular #Ultrasound
Abnormal Simmonds-Thompson Test (Positive) for Achilles Tendon Rupture

In this positive Simmonds-Thompson test, there is no plantar
Simmonds-Thompson Test (Positive ... Rupture In this positive ... Test #Abnormal #Positive ... PhysicalExam #Calf #Sports
Vancomycin and Dalbavancin (lipoglycopeptide antibiotics) - Antibiotics Class Overview

Mechanism: Glycopeptide -  inhibits cell wall synthesis
synthesis in Gram positives ... Spectrum: gram positive ... Used for: all sorts ... or proven gram positive ... choice for gram positive
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 ... #drug #tests #differential
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
worsen with head position ... findings BPPV • Short-lived ... Positive Hallpike ... Positive head impulse ... Vertigo #Algorithm #differential
Valgus Stress Test in MCL Injury

In this video you can have a great visual of a
great visual of a positive ... #MCL #Injury #Positive ... #PhysicalExam #Sports
False Positive Lung Point on POCUS
Lung-Cardiac Point and Lung-Diaphragm Point
These images highlight selected differentials to pleural
False Positive Lung ... highlight selected differentials ... lungdiaphragam #ultrasound ... #pulmonary #differential
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
Positive Lachman ... #Knee #Injury #Positive ... #PhysicalExam #Sports
Six-step approach to ultrasound-guided central venous catheter placement

I. Identify anatomy of insertion site and localization of
Six-step approach to ultrasound-guided ... Use compression ultrasound ... Confirm needle position ... Confirm wire position ... #CentralLine #Ultrasound
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False Positives ... Rate of False Positives ... • mouthwash, short-chain ... result in false positives ... enough to prevent positive