Left Posterior Fascicular Block

Left Posterior Fascicular BlockCreated OnApril 19, 2020Last Updated OnOctober 28, 2020byadmin You are here: Main ECG Left Posterior Fascicular Block < All Topics Table of Contents A differentials of poor R wave progression Ecg features: Right axis deviation (RAD) Small R waves with deep S waves (= ‘rS complexes‘) in leads I and aVL Small Q waves with tall R waves (= ‘qR complexes‘) in leads II, III and aVF QRS duration normal or slightly prolonged (80-110ms) Prolonged R wave peak time in aVF *We do not own this ECG, it’s for sharing purpose

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