nifedipine significantly increased heart rate ( 56 +/- 28 % ) and cardiac output ( 48 +/- 45 % ) and decreased systemic artery pressure ( -11 +/- 7 % ) and systemic vascular resistance ( -37 +/- 18 % ) compared with pretreatment values under normoxic conditions .
C0028066
nifedipine
C0020649
decreased systemic artery pressure