790 results
Positive FAST exam - Morrison’s Pouch

Ever so often its nice to gaze upon a crisp &
Positive FAST exam ... - Morrison’s Pouch ... crisp & clean positive ... Morrison’s pouch ... #trauma #FAST #Positive
Positive FAST in the RUQ view demonstrating echogenic clot in Morison’s pouch with adjacent anechoic free
Positive FAST in ... echogenic clot in Morison ... HepatorenalRecess #Positive
Traumatic Perisplenic Retroperitoneal Hematoma on POCUS

Young male with fall from 20 feet.  Soft vitals, LUQ/flank
fluid seen in Morison's ... distortion of the position ... ultrasound #FAST #Positive
Free Fluid in Morison's Pouch - Abdominal POCUS

Transducer is on the right midaxillary line w/ indicator
Free Fluid in Morison's ... fluid is seen in Morison ... #Free #Fluid #Morisons
Doge Cap Sign on Abdominal X-Ray aka Morrison Pouch Sign
Triangular shaped lucency below the 11th rib
Abdominal X-Ray aka Morrison ... due to air in Morrison's
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 ... may cause 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
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False Positives ... Rate of False Positives ... resulting in false-positive ... result in false positives ... enough to prevent positive
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 >