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Arrhythmia? Ischemia? Both? Electricity, drugs, lytics, cath lab? You decide.

Dr. Smith's ECG Blog

The rhythm differential for narrow, regular, and tachycardic is sinus rhythm, SVT (encompassing AVNRT, AVRT, atrial tach, etc), and atrial flutter (another supraventricular rhythm which is usually considered separately from SVTs). Therefore this patient is either in some form of SVT or atrial flutter. If so, why?

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Emergency Department Syncope Workup: After H and P, ECG is the Only Test Required for Every Patient.

Dr. Smith's ECG Blog

Academic Emergency Medicine., Academic Emergency Medicine, 2003 Volume 10, Number 5 539-540. Fourth, syncope in the elderly often results from polypharmacy and abnormal physiologic responses to daily events. Thiruganasambandamoorthy, V., Sivilotti, M., Mukarram, M., Baumann, B. 24 (11), 1315-1326. h/o heart disease (+1) 3.