Abstract
Pheochromocytoma is a catecholamine-producing tumour that poses diagnostic problems because its clinical presentation often mimic certain diseases, including cardiovascular disorders. It is a rare disease. The effects of excessive catecholamine secretion cause a variety of cardiovascular presentation in pheochromocytoma, ranging from the most common, namely hypertension, to life-threatening case such as hypertensive emergency, shock, supraventricular or ventricular arrhythmias, pulmonary edema, and acute coronary syndromes. The principal medical treatment for pheochromocytoma is blockade of adrenergic receptors. However, surgical or tumour resection often provides complete resolution of abnormal myocardial dysfunction or arrhythmias. As clinicians, we must be aware of the characteristics of the cardiovascular manifestations of pheochromocytoma so that we can make an earlier diagnosis and more appropriate management.
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