766 results
Positive FAST in the RUQ view demonstrating echogenic clot in Morison’s pouch with adjacent anechoic free
Positive FAST in ... #POCUS #FAST #FASTExam ... HepatorenalRecess #Positive
Positive FAST in LUQ view demonstrating large amount of complex free fluid (*) below the diaphragm
Positive FAST in ... #POCUS #FAST #FASTExam
Positive FAST Exam Perihepatic Window

Multiple pts. with significant injuries from MVC. Young adult with femur fracture
Positive FAST Exam ... RJonesSonoEM #FASTExam ... #Perihepatic #Positive
Ultrasound - Focused Assessment with Sonography in Trauma (FAST) - Probe Orientation #EM #Trauma #Radiology #POCUS
#POCUS #FAST #FASTExam
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
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
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
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
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