For the ALiEM – Annals of EM global journal club on the article “Emergency Department Computed Tomography Utilization in the United States and Canada”, discuss question number 2 on the topic of estimation on CT counts:

Do you think the National Hospital Ambulatory Medical Care Survey (NHAMCS) method is likely to overcount or undercount CTs? What about the method used for calculating use in Ontario? Would these biases likely make the authors’ estimate of the overall difference between these countries too large or too small? Defend your answer.

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CT imaging is a powerful tool in diagnosing pathological medical conditions. Despite this, there is appropriate concern about the “magnitude of imaging-related financial costs and radiation induced malignancies.” In this month’s Annals of Emergency Medicine journal publication, Berdachl et al published about “Emergency Department Computed Tomography Utilization in the United States and Canada.” This article was selected by the journal as the featured piece for a Journal Club discussion. In this inaugural global EM journal club, ALiEM and Annals are collaborating to provide a more dynamic discussion of some of the posed questions. The focus is on teaching concepts around HOW to critically appraise a journal article rather than just receive a pre-digested summary statement from social media sites and textbooks.

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In an unprecedented collaborative effort to accelerate knowledge translation and education, ALiEM is officially partnering with Annals of Emergency Medicine. Together we will be hosting a global Journal Club discussion on ALiEM using the journal club questions posed in the journal’s journal club questions. Here’s how YOU and your colleagues can participate…

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