Spontaneous regression of cardiomyopathy in a patient with the acquired immunodeficiency syndrome. Cardiac involvement is common in patients with the acquired immunodeficiency syndrome (AIDS) and, when symptomatic, it portends a poor prognosis. We present a case of marked spontaneous regression of cardiomyopathy in a patient with AIDS. To our knowledge, this is the first reported case of spontaneous recovery of ventricular function in an AIDS patient. 