@psirides @jas_soar @kari_jerge @critcaremd @msiuba @utah_gimme_2 @virenkaul @accpchest @emily_fri @doclief @pulmcrit @laxswamy @otisbrickman @donicme @medevidenceblog i worry about this oversimplification. what about those reversible causes of cardiac arrest where the heart wasn't the organ that stopped first? the pe, stroke, hyperkalemia, haemorrhage? i've responded to arrests when heart didn't stop first &amp; cpr was both warranted &amp; worked.