Pheochromocytoma associated ventricular tachycardia blocked with atenolol

Ventricular tachycardia in patients with phenochromocytoma is rare. We report a patient with a norepinephrine-secreting extra-adrenal pheochromocytoma who had exercise induced ventricular tachycardia. Prior to diagnosis, the patient was treated with a selective beta 1 blocker, atenolol, which result...

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Bibliographic Details
Published inJournal of endocrinological investigation Vol. 13; no. 11; p. 943
Main Authors Michaels, R D, Hays, J H, O'Brian, J T, Shakir, K M
Format Journal Article
LanguageEnglish
Published Italy 01.12.1990
Subjects
Adrenal Gland Neoplasms - complications
Adult
Atenolol - therapeutic use
Dopamine - blood
Electrocardiography
Epinephrine - blood
Humans
Hypertension - drug therapy
Hypertension - etiology
Male
Norepinephrine - blood
Pheochromocytoma - complications
Tachycardia - drug therapy
Tachycardia - etiology
Tachycardia - physiopathology
Vanilmandelic Acid - urine
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Summary:Ventricular tachycardia in patients with phenochromocytoma is rare. We report a patient with a norepinephrine-secreting extra-adrenal pheochromocytoma who had exercise induced ventricular tachycardia. Prior to diagnosis, the patient was treated with a selective beta 1 blocker, atenolol, which resulted in suppression of the dysrhythmia and amelioration of the hypertension. This is the first reported case of selective beta blockade suppressing ventricular tachycardia in a patient with a pheochromocytoma. Electrocardiographic abnormalities described in patients with pheochromocytoma are reviewed.
ISSN:0391-4097
DOI:10.1007/BF03349666