Kojima S, Natsume T, Ito K, Ikeda M
Jpn Heart J. 1985 Nov;26(6):1039-41. doi: 10.1536/ihj.26.1039.
Rapid cyclic fluctuations of blood pressure in patients with a pheochromocytoma have rarely been reported. The suitable conditions to induce this phenomenon are not adequately known. We report here a patient with an adrenal pheochromocytoma who showed this phenomenon after oral administration of labetalol.