​​Brain Food is a project to drip feed clinical knowledge (in the form of mock SAQs) to satisfy those hungry neurons. Sources are SA/NT Trial Exam 2021.2 and Monash 2022.1. Answers are prone to ageing. Leave a comment if you don't understand or something doesn't seem right...
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PS we don't use the mock questions uploaded to ACEMs official mocks

Is it safe to send someone home with a low-risk PE on a rivaroxaban or apixaban?
This systematic review identified 12 studies (four RCT’s and 8 prospective cohort studies) that might provide us the answer. Of course, the foundation author is Jeff Kline.

Tom Fuller & Viet Tran

The Case
A 61 yo female is brought in with a 19 hr history of worsening SOB that suddenly become profound thus prompting an ambulance call. Theres no history of chest pain and no past history of cardiac or respiratory disease that you can elucidate through her short gasps.