To investigate the electrocardiographic and hemodynamic changes in isolated right ventricular infarction, 0.25 ml or 0.5 ml of metallic mercury was injected into the right coronary artery of 14 closedchest dogs. At autopsy, at least 60% of the right ventricle was necrotic in every dog. Heniodynamic observations were made in 11 and electrocardiographic mapping was performed in all 14 dogs. Right...
