CARDIOVASCULAR RHYTHMIC PACEMAKING ACTIVITIES OF SELECTED BOTANICAL EXTRACTS ON CARDIAC CHANNELOPATHY TACHYCARDIA ARRHYTHMIAS-INDUCED MYOGENICHEART USING IN VIVO MODEL OF FRESHWATER CRUSTACEAN DAPHNIA MAGNA (WATER FLEA). Journal title: International Journal of Advanced Research (IJAR) Authors: Lorie E. Malaluan, Charmaine Aubrey G. Galindez. Subject(s):