Our ALiEMU learning management system, which currently houses the AIR series, Capsules series, and In-Training Exam Prep courses, is ready to slowly open the doors to welcome external authors with high quality content. We are thrilled to welcome a UCSF-sponsored pediatric emergency medicine (EM) point of care ultrasonography (POCUS) series, led by Dr. Margaret Lin. The first course is on the intussusception scan, filled with multiple ultrasound scans showing normal variants and two different types of intussusception.
Why learn the intussusception POCUS scan?
Although few studies have looked at POCUS for intussusception, the existing studies have shown excellent test characteristics and a decreased length of stay with this technique.
Two studies assessed the test characteristics of the intussusception POCUS.
| Publication | Study Methodology | Sensitivity | Specificity |
|---|---|---|---|
| Riera et al. (2012)1 | This journal publication was a prospective study of 82 patients who underwent POCUS by pediatric emergency medicine (PEM) providers. The gold standard was a comprehensive radiology ultrasound. | 85% | 97% |
| Trigylidas et al. (2017)2 | This abstract reported a retrospective study of 105 intussusception POCUS scans by PEM providers. The gold standard was either a direct radiology over-read of the POCUS scans or a radiology department ultrasound. | 96.2% | 92.6% |
UCSF Sponsorship
Congratulations and thanks to the UCSF Division of Pediatric Emergency Medicine for hosting and sponsoring this series on ALiEMU, where we hope to continue hosting core educational content for EM residents and other lifelong learners.
If you are interested in authoring and hosting peer reviewed, online educational content on ALiEMU, please contact us for more information.
Image credit: By Olek Remesz (Wikimedia, CC-BY-SA-3.0)
References
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1.Riera A, Hsiao A, Langhan M, Goodman T, Chen L. Diagnosis of intussusception by physician novice sonographers in the emergency department. Ann Emerg Med. 2012;60(3):264-268. https://www.ncbi.nlm.nih.gov/pubmed/22424652.
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2.Trigylidas TE, Kelly JC, Hegenbarth MA, Kennedy C, Patel L, O’Rourke K. 395 Pediatric Emergency Medicine-Performed Point-of-Care Ultrasound (POCUS) for the Diagnosis of Intussusception. Annals of Emergency Medicine. October 2017:S155. doi:10.1016/j.annemergmed.2017.07.365
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