167 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
Gram Stain - Bacteria Identification Algorithm
Gram Positive:
 • Rods: Oxidase+, Oxidase-, Fastidious, Anaerobic, Curved
 • Cocci:
Algorithm Gram Positive ... Rods: Branching, Spores ... #microbiology #diagnosis
Deep Vein Thrombosis Ultrasound Pocket Card
Deep Vein Thrombosis Scanning Sites:
 • Common Femoral Vein 
 •
Vein Thrombosis Ultrasound ... Thrombosis False Positives ... Thrombosis #DVT #pocus #diagnosis ... #Ultrasound #radiology
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 ... Testing #Laboratory #diagnosis
Positive FAST in the RUQ view demonstrating echogenic clot in Morison’s pouch with adjacent anechoic free
Positive FAST in ... (*) #Clinical #Diagnosis ... #EM #Trauma #Radiology ... HepatorenalRecess #Positive
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... findings BPPV • Short-lived ... Positive Hallpike ... Positive head impulse ... #differential #diagnosis
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
D-Sign on Ultrasound
Right Ventricular Pressure vs Volume Overload
Eccentricity Index (EI) = D2/D1
RV Overload “D Sign” EI
D-Sign on Ultrasound ... Pocus101 #DSign #Ultrasound ... echocardiogram #psax #diagnosis ... #cardiology #pocus
Abdominojugular (Hepatojugular) Reflux

Described by Pasteur in 1885 as a physical sign of TR. Still useful for
Still useful for diagnosis ... Positive reflux= ... #VolumeStatus #Cardiology
POCUS Pearls for Tamponade
- Pericardial Effusion
- Diastolic Right Ventricular Collapse
- Systolic Right Atrial Collapse
- Plethoric Inferior
Tamponade #POCUS #Diagnosis ... #Evaluation #Cardiology ... Echocardiogram #Ultrasound