Marked relief of acute exacerbation of congestive cardiomyopathy by intravenous practolol--report of a case.

This paper reports a case of severe low output cardiac failure due to congestive (alcoholic) cardiomyopathy which was unresponsive to dopamine infusion, but which improved rapidly on intravenous practolol therapy. The therapeutic range of beta-blockade turned out to be quite narrow.