Abstract
Patient 1: A 71-year-old man had fatigability, weakness and dyspnea {New York Heart Association class III). Left ventriculography showed ventricular dilation and diffuse global hypokinesia. There was ¢. trace of mitral regurgitation. Small amounts of calcium were seen in the aortic and mitral valves. Percutaneous balloon valvotomy Of the mitral valve was undertaken using the transseptal technique. ~-5 Hemodynamic measurements before and after PMV are listed in Table I. The patient tolerated the procedure well and symptoms lessened. Two weeks later he underwent incision and drainage of a tooth abscess. The next day he was hospitalized because of progressive dyspnea. Despite intensive treatment of sepsis, he had refractory metabolic acidosis. Repeat cardiac catheterization performed the day he died showed no change from his post-PMV hemodynamics. Acidosis
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