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  • Title: Cardiac myonecrosis in hypertensive crisis associated with monoamine oxidase inhibitor therapy.
    Author: Liu LX, Rustgi AK.
    Journal: Am J Med; 1987 May; 82(5):1060-4. PubMed ID: 3578343.
    Abstract:
    A young woman taking tranylcypromine for depression was hospitalized with severe chest pain and hypertension after eating cheese. Electrocardiography initially showed arrhythmias and precordial ST segment depression. Myocardial creatine kinase values were elevated, and echocardiography showed regional ventricular dysfunction, suggestive of focal cardiac myonecrosis. The cardiovascular pathophysiology of tyramine hypertensive crisis and related catecholamine excess states, including pheochromocytoma and clonidine withdrawal, is reviewed. Cardiac myonecrosis is a potential adverse effect of the hypertensive crisis associated with monoamine oxidase inhibitor use. Psychiatric indications for monoamine oxidase inhibitors may be expanding, but clinicians should continue to exercise caution in the use of these agents.
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