Today's #POCUS lecture by @mtabbut about the FAST exam in Hemodynamically Pediatric Blunt Abdominal Trauma. #MetroEUS
Aggregate sensitivity of FAST for all intra-abdominal injuries is low. Specificity is high. Remember though, the FAST was designed to look for FF, not all injuries. So if the injury is not associated with FF, the FAST will likely not see it.
So what can we do to increase the sensitivity of the FAST? Serial exams and adjunctive labs.
Take away points: The FAST suffers from low sensitivity for all IAI. Know the limitations. Risk stratify patients, add adjuncts...
There are a lot of positive, unmeasured effects of the FAST exam but at the end of the day the FAST is a piece of information, not the whole picture.

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More from @MH_EMultrasound

May 28, 2021
Patient with epig pain and multiple ED visits with neg CT and non-specific labs - but persistent pain. What do you do? GI cocktail + famotidine and discharge? How about a little #POCUS first. #FOAMed #FOAMus #Ultrasound #MedTwitter @mtabbut @laurarbrownmd @RJonesSonoEM
And the transverse view. What do you think now? Poll below in thread. #Whatsthedx #EmergencyMedicine @DianeGramer @SLWerner_EM @ClaridgeJeffrey @vanessapho @ladha_prerna
What do you think?
Read 9 tweets
Mar 11, 2021
Goal and benefit of POCUS is to rapidly narrow the differential diagnosis through asking and answering defined clinical questions.
POCUS will narrow the differential more rapidly
Read 18 tweets
Mar 10, 2021
Patient with hx ESRD on dialysis and multiple previous central catheters. Needs central line. #POCUS as shown. Go ahead and place the line? Poll in thread. #FOAMed #FOAMus #MedTwitter #EmergencyMedicine @mtabbut @RJonesSonoEM @SLWerner_EM @NephroP @siddharth_dugar
Place the line here?
Answer: This patient with chronic thrombus at the shown location. Best to look for a different location.
Read 4 tweets

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