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Arrhythmias and sudden death
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Prolonged PR interval, first-degree heart block and adverse cardiovascular outcomes: a systematic review and meta-analysis
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- Published on: 24 February 2016
- Published on: 24 February 2016Diastolic functionShow More
Having scanned many a patient with pacemakers in the presence of new algorithms which allow significant AV delays (essentially P-R) prolongation, I have noticed that due to the timings, long P-R can cause truncation of diastolic filling time (E:A fusion). This will significantly impact the preload of the LV, reduce stroke volume and may even impact on coronary filling. I am unsure why this would increase the risk of AF bu...
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