b'\n_START_ARTICLE_\nB\xc4\x93ta adrenoblokatori\n_START_PARAGRAPH_\nB\xc4\x93ta adrenoblokatori jeb b\xc4\x93ta blokatori ir vielas, kam piem\xc4\xabt blo\xc4\xb7\xc4\x93jo\xc5\xa1i efekti uz b\xc4\x93ta adrenoreceptoriem da\xc5\xbe\xc4\x81dos org\xc4\x81nos un audos. Kl\xc4\xabnisk\xc4\x81 praks\xc4\x93 tos izmanto no 1960. gada. \xc5\xa0iem prepar\xc4\x81tiem ir antihipertens\xc4\xabvi, antiangin\xc4\x81li, antiaritmiski un organoprotekt\xc4\xabvi efekti.\n_START_SECTION_\nDarb\xc4\xabbas meh\xc4\x81nisms\n_START_PARAGRAPH_\nB\xc4\x93ta adronoblokatori darbojas uz b\xc4\x93ta adrenoreceptoriem sird\xc4\xab trauc\xc4\x93jot endog\xc4\x93niem agonistiem pievienoties tiem, tas izpau\xc5\xbeas ar negat\xc4\xabvu hronotropo, dromotropo, batmotropo un inotropo efektu.'