Postema, P.G.

patient heart u-wave syndrome right repolarization brugada ajmaline brugada syndrome st-segment elevation mutation brs patients type 1 ecg peak ajmaline effect amplitude elevation st-segment brugada sign precordial action figure duration right precordial abnormality study control conduction sodium depolarization effect activation scn 5a mutations channel electrocardiogram terminal analysis excitation failure netherland baseline table difference fqrsd rhythm current-to-load mismatch repolarization abnormalities depolarization abnormalities interval segment gain-of-function qt syndrome failure sodium channel blockade excitation change electrogram tissue value delay postema van herpen g scn 5a ventricle point qrs loop parameter result recording fi ltered qrs reduction rv subepicardium ritsema van eck ajmaline infusion fsa ecg signal t wave subepicardium activation delay t-wave complex mismatch