
Keywords: APD، مدت زمان بالقوه عمل; AF, atrial fibrillation; APB, atrial premature beat; APD, action potential duration; LCx, left circumflex; MAP, monophasic action potential; MMA, modified moving average; PTa, atrial PT interval; STa, Atrial ST segment; Ta, atrial T (repolarization) wave;