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H. A. LINDBERG, M.D.; D. M. BERKSON, M.D.; J. STAMLER, M.D.; A. POINDEXTER, M.D.

Arch Intern Med. 1960;106(5):628-633.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Introduction

Many clinicopathologic studies have been performed which report the presence at autopsy of myocardial infarctions unsuspected during life.^2-5 From these studies the concept has evolved of painless, silent, occult, or asymptomatic myocardial infarction.

In contrast to the wealth of necropsy material on painless myocardial infarction, there is a paucity of clinical reports describing totally asymptomatic myocardial infarction diagnosed during life.⁶ This report presents three such cases, and offers an estimate of the incidence rate of totally asymptomatic myocardial infarction in our urban, white, middle-aged male population.

Methods

A comprehensive study was made of the case records of the medical department of a Chicago utility corporation for the four-year period 1954-1957.⁷ During this period 756 male employees (737 white, 19 nonwhite) in the age group 50-59 as of Jan. 1, 1954, underwent a voluntary yearly medical review consisting of a complete history and physical examination, 14x17 roentgenogram . . . [Full Text PDF of this Article]

Author Affiliations
Chicago

From the Heart Disease Control Program, Chicago Board of Health, and the Department of Medicine, Northwestern University Medical School.

Footnotes
Submitted for publication March 30, 1960.

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