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CHRONIC myocardial insufficiency, already clinically of great importance, is becoming increasingly so with the current increase of old persons in our population. By chronic myocardial insufficiency I mean that form of heart disease in which myocardial insufficiency with or without myocarditis has developed in the absence of lesions of heart valves or pericardium. Another term for the condition is chronic nonvalvular heart disease.
The form or type of heart disease here discussed always has been of much importance because, beginning at about the age of 40, it steadily increases in frequency until in the later years of life it accounts for the great majority of patients consulting physicians or coming into hospitals because of symptoms and signs of heart disease. Furthermore, as people live longer, as now increasingly they do, there will be more and more patients with this form of heart disease. Only a few of these patients are
CHRISTIAN HA. CLINICAL VARIETIES OF CHRONIC MYOCARDIAL INSUFFICIENCY. AMA Arch Intern Med. 1951;88(5):591-596. doi:10.1001/archinte.1951.03810110043004