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May 23, 2018, 5 tweets

#ChiefResident blog #NoonConference #meded Evidence-based cardiac exam, dyspnea triangle --> cardiac tamponade physiology from a likely hemorrhagic cardiac effusion from a supratherapeutic INR imrespdx.com/imrespdx-blog/…

A pulsus paradoxus of >10-12 mmHg has a +LR of ~3.3 and -LR of 0.03 which is the best diagnostic test we have for tamponade physiology. Here is a great @StanfordMed25 page to review how to perform a pulsus #NoonConference #meded stanfordmedicine25.stanford.edu/the25/bppp.html

Things to do immediately for a pt with tamponade physiology include considering the following: hemodynamic stability (consulting the ICU), IV access, coagulation status (reversal if indicated), fluids to support preload, other consultants (cardiology/ cardiothoracic surgery)

Here's a great @bmj_latest resource for evidence-based cardiac exams #NoonConference #meded bmj.com/content/354/bm…

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