The inhibitory effect of disopyramide, quinidine, mexiletine, lidocaine, tocainide and
aprindine on the maximum upstroke velocity (V̇ max) of action potential was examined in …

OBJECTIVE: To investigate the value of a giant negative T wave (> or= 1.0 mV) in precordial
leads of 12-lead electrocardiograms in the acute phase of Q wave myocardial infarction as a …

Triggered activity due to early afterdepolarizations in the content of prolonged repolarization
is believed to cause torsade de pointes. The nature of such triggered activity is not clearly …

Electrophysiologic effects of ambasilide in canine isolated cardiac muscle driven at 1 Hz and
in rabbit sinoatrial (SA) node preparations were determined by standard microelectrode …

Background: In recent years, there has been an increasing use of antiarrhythmic drugs that
act predominantly by prolonging myocardial repolarization. An inevitable electrophysiologic …

Background Hypertrophic cardiomyopathy (HCM) is often concomitant with sleep-disordered
breathing (SDB), which can cause adverse cardiovascular events. Although an appropriate …

The electrophysiological effects of combination therapy of mexiletine and propafenone were
assessed using standard 12‐Iead electrocardiogram (standard ECG), signal‐averaged EGG …

Use and frequency dependency are common properties of Class I antiarrhythmic agents,
which block cardiac sodium channels in vitro. The purpose of this study was to examine the …

A 57-year-old male presented intermittent pain between the left shoulder and neck. He had
undergone coronary artery bypass twice and all grafts had been confirmed to be …

Introduction Surgical procedures for pacemaker implantation vary among facilities. The
extrathoracic venous puncture method has been utilized for lead insertion, although patients' …