Abstract
IN THE past twenty years it has been pointed out by several authors1 2 3 4 5 that persistent pain of the shoulders, arms and hands follows myocardial infarction. It is not always an index of progressing coronary-artery disease. Persistent pain is due in some cases to the so-called shoulder-hand syndrome, a reflex type of pain resembling causalgia, which may or may not be accompanied by reflex dystrophy of one or both of the upper extremities.The syndrome has recently been described in detail by Steinbrocker et al.,6 who divided its clinical course into three stages: Stage I, which consists of a painful shoulder, . . .