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The Ultrasound-Guided Genicular Nerve Block

ACEP Now

The innervation of the knee is complex, but much of its sensory innervation is supplied by the genicular nerves, which are easy targets for ultrasound-guided nerve blocks. Step 2 Place the ultrasound system contralateral to the affected knee so that you have a clear line of sight of the ultrasound screen when performing the block.

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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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Ultrasound of the Month: Peritonsillar Abscess

Taming the SRU

She endorsed low grade fevers and chills as well as odynophagia, dysphagia, and some shortness of breath. Severe complications of peritonsillar abscesses include infection spreading to additional deep spaces of the neck as well as mediastinitis (2). There was no trismus. The remainder of her exam was unremarkable. 2012;147(3):472-474.

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How Good is Ultrasound at Diagnosing PTA?

RebelEM

Background: The increased utility and accessibility of point-of-care ultrasound (POCUS) has allowed clinicians the freedom to rethink their diagnostic approach for many common diseases, including peritonsillar abscess (PTA). However, It is unclear how well POCUS performs in ruling in or ruling out the diagnosis of PTA. Acad Emerg Med.

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PEM POCUS Series: Pediatric Lung Ultrasound

ALiEM

Read this tutorial on the use of point of care ultrasonography (POCUS) for pediatric lung ultrasound. Take the ALiEMU PEM POCUS: Pediatric Lung Ultrasound Quiz Module Goals List indications for performing a pediatric lung point-of-care ultrasound (POCUS). Describe the technique for performing lung POCUS.

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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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Ultrasound of the Month: Gallbladder Perforation

Taming the SRU

A bedside right upper quadrant ultrasound was performed, and the images are below. Risk factors associated with increased risk of acute perforated cholecystitis include age greater than 65 years old, as well as diabetes mellitus, atherosclerosis, or organ failure (1, 2). The remainder of his exam was unremarkable.