768 results
Free fluid + empty uterus + positive pregnancy test = better start looking for a mass!
If
empty uterus + positive ... jchristianfox #FreeFluid
Free Fluid on Fast Exam

Free fluid in the LLQ typically first collects around the spleen and
@eabramsMD #FreeFluid ... pocus #trauma #Positive
Positive Free Fluid on Bladder FAST exam - Sagittal POCUS View

You perform a FAST on this
Positive Free Fluid ... #Positive #FreeFluid
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
Pneumoperitoneum on POCUS

Elderly M with hypotension, abdominal pain and respiratory distress! Let's scan the abdomen first!!!
Abdominal #Ultrasound #FreeFluid
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