to determine the extent to which hearts from rats with both hypertension and myocardial infarction are sensitive to increases in vascular resistance , spontaneously hypertensive rats ( shr ) and normotensive wistar rats ( nwr ) with and without myocardial infarction ( coronary artery ligation ) were infused with methoxamine ( 0.08 to 1.6 mg/kg/min ) .
C0018787
hearts
C0027051
myocardial infarction