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Oscillatory zoning (OZ) occurs in all major classes of minerals and also in a wide range of geological environments. It is caused… Expand Oscillatory correlograms are widely used to study neuronal activity that shows a joint periodic rhythm. In most cases, the… Expand We investigated whether the age-related decrease in sensitivity of the heart to catecholamines was accompanied by changes in Ca(2… Expand Effects of adenosine (ADN) on cardiac cellular electrical and contractile activity were determined during ischemia and… Expand Electrical activity from endo-and epicardium was recorded from isolated segments of right ventricular free walls of guinea pigs… Expand Catecholamines increase the amplitudes of oscillatory afterpotentials (OAP) and peak magnitude of the transient inward current… Expand Effects of alpha 1- and alpha 2-adrenergic agonists and antagonists on oscillatory afterpotentials (OAP) and triggered activity… Expand We studied the effects of Ca channel blockers and 3 antiarrhythmic drugs on the digitalis-induced oscillatory afterpotential (OAP… Expand Ouabain induces oscillatory afterpotentials (OAPs) in organ-cultured young (3 day old) embryonic chick hearts. Since increased… Expand Digitalis-induced ventricular tachyarrhythmias (VTAs) are believed to be due to oscillatory afterpotentials (OAPs) generated by… Expand