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  • Title: Vomiting as a diagnostic aid in acute ischaemic cardiac pain.
    Author: Ingram DA, Fulton RA, Portal RW, Aber CP.
    Journal: Br Med J; 1980 Sep 06; 281(6241):636-7. PubMed ID: 7437744.
    Abstract:
    The incidence of vomiting before the administration of analgesics was studied in 109 patients admitted to hospital as emergencies with prolonged ischaemic cardiac pain. In transmural myocardial infarction (58 patients) the incidence was 43% (anterior infarction 58%, inferior infarction 41%). Of the 23 patients with myocardial necrosis but without transmural infarction (that is, those with diffuse or subendocardial necrosis) and the 28 with coronary insufficiency but no necrosis, only one patient in each group experienced vomiting. When vomiting occurs early in association with cardiac pain transmural infarction may be expected in 90% of patients.
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