782 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
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
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
Free Fluid in Morrison's Pouch on Abdominal POCUS

22 yo, no known pmhx, with atraumatic abdominal pain,
Free Fluid in Morrison's ... #Free #Fluid #Morrisons
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
Rapid Ultrasound in SHock Evaluation
RUSH Protocol:
 • PUMP: LV contractility, RV strain, tamponade
 • TANK: IVC
- IVC • M - Morrison's
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