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Trick of the Trade: Gel-free ultrasound-guided peripheral IV technique

ALiEM

You set up everything, have the patient positioned, and then notice there is no sterile ultrasound gel. The trick is to eliminate anything of poor acoustic impedance between the ultrasound probe and the patient’s skin. Note that some ultrasound manufacturers do not recommend the use of isopropyl alcohol on their transducers.

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Using Point-of-Care Ultrasound to Identify the Gallbladder

EMDocs

1 A biliary point-of-care ultrasound (POCUS) is the fastest and most accurate way to assess for biliary pathology, but it can be difficult to locate the gallbladder, as it is not a fixed organ. Ultrasound. Emergency physician-performed ultrasound to diagnose cholelithiasis: a systematic review. 4 Benefits of Biliary POCUS?

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Anti-NMDA Receptor Encephalitis in Children and Adolescents

Pediatric EM Morsels

These females should have imaging with either MRI or CT as well as abdominal or transvaginal ultrasound to assess for ovarian teratoma. 2014 Feb;13(2):167-77. 2014 Feb;13(2):135. Prevalence decreases with decreasing age. Risk of teratoma is higher in African American and Asian women. Lancet Neurol. Epub 2013 Dec 18.

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emDOCs Podcast – Episode 110: Primary Spontaneous Bacterial Peritonitis

EMDocs

Ultrasound can assist: confirm ascites, evaluate for best site, abdominal wall thickness, blood vessels along needle track. 2014 Sep;109(9):1436-42. Safety of ultrasound-guided thoracentesis in patients with abnormal preprocedural coagulation parameters. Paracentesis is a safe procedure with a low complication rate (< 1%).

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Ultrasound of the Month: No Definitive Yolk Sac, No Definitive IUP!

Taming the SRU

A bedside ultrasound is completed to assess the location of the pregnancy. A radiology performed ultrasound is ordered and has similar findings– Impression: no definitive IUP with a small amount of free fluid within physiologic limits. Laboratory evaluation reveals a hemoglobin and hematocrit of 12.6/37.1

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PEM POCUS Series: Soft Tissue Ultrasound

ALiEM

Take the ALiEMU PEM POCUS: Soft Tissue Quiz Case Goals List the indications of performing a pediatric soft tissue point-of-care ultrasound (POCUS). Pediatric Soft Tissue POCUS Ultrasound Technique Figure 1. Linear ultrasound transducer Probe Use a linear, high-frequency transducer. Describe the limitations of soft tissue POCUS.

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IVC Distensibility Index vs Collapsibility Index: Using the Correct Index

RebelEM

Regarding caval indexes, the advent of artificial intelligence and advanced learning has become integrated into many ultrasound machines. Ultrasound Med Biol. May 2014; PMID: 24495437. As with most things in medicine, it is important to understand the pitfalls. Most measurements are somewhere around the hepatic confluence.