US GEL PODCAST #80!
Early Systolic Notching - A New Sign for Submassive & Massive PE? #FOAMed #FOAMus #POCUS
http://ultrasoundgel.org/80 pic.twitter.com/xwf4Cuxk4x
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Very dependent on population/setting. If RV infaction for example is a differential, it's not specific at all. Seen in all kinds of acute pressure overload
Read the whole paper, The design is a little wonky.
I must point out that what McConnell's is specific for in this study is relevant...it's specific for ct evidence of RV strain and/or massive PE. The criterion standard used likely inflates the test characteristics relative to more patient oriented metrics.
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