nicardipine , in a dose of 0.3 microgram/kg/min for 60 min i.c.v. , attenuated the hypotensive and bradycardic effects of i.c.v . clonidine or b-ht 920 , an alpha 2-adrenoceptor agonist , in anesthetized rats , whereas it did not modify the cardiovascular effect of i.c.v . angiotensin ii or gamma-aminobutylic acid in conscious rats .
C0428977
bradycardic
C0007226
cardiovascular