1628 results
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
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
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 ... #calculations #diagnosis
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 ... #differential #diagnosis
Lung ultrasound pathology in a COVID-19 positive patient
 - Few B-lines (vertical white lines)
 - Confluent
Lung ultrasound ... in a COVID-19 positive ... Clinical #Lung #Ultrasound
Sgarbossa's criteria - Positive EKG

#Clinical #Cardiology #EKG #ECG #Sgarbossas #Criteria #Positive
Sgarbossa's criteria - Positive ... EKG #Clinical #Cardiology ... Sgarbossas #Criteria #Positive
Positive DVT study showing thrombus in the femoral vein (v), adjacent to the femoral artery (a)
Positive DVT study ... #Clinical #Diagnosis ... #EM #Radiology ... Vasc #POCUS #DVT #Positive
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
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
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False Positives ... Rate of False Positives ... result in false positives ... enough to prevent positive ... Testing #Laboratory #diagnosis