It is only during the past decade or two that the clinical recognition of coronary occlusion has become well established among general practitioners. There has therefore been a limited period for follow-up study of patients recovering from the acute attack, and of necessity relatively little accurate information is available concerning the future course of the disease. This is true particularly concerning the degree of economic restitution following an attack.
Since coronary occlusion is very common,1 occurring in all strata of society, it is of importance from a therapeutic and prognostic standpoint for a physician to know whether the patient may return to work. Many questions concerning the effect of work following coronary occlusion have remained unanswered. For example, does work increase the susceptibility to further attacks of occlusion, to death, to heart failure, to angina pectoris? If angina pectoris is present, should the patient be permitted to work? Does