Syncope PLUS” syndromes = high risk
+ headache = SAH or ICH
+ neuro deficit = stroke/TIA or ICH Syncope
+ confusion = seizure
+ chest pain = MI, PE, or aortic dissection
+ back/abdominal pain in elderly = AAA or thoracic dissection if upper back
+ pregnancy = ectopic

-exertional syncope = dysrhythmia (tachycardia- or ischemia-induced) or cardiac output obstruction

Screen Shot 2017-08-25 at 2.54.01 PM
Also noncardiogenic causes, for example neurologic syncope (includes SAH, brainstem ischemia, and basilar artery migraine).


Screen Shot 2018-01-30 at 10.05.17 AM.png
^Strayer’s algorithm

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