What is the most common cardiac rhythm abnormality in pheochromocytoma?

Updated: Aug 10, 2018
  • Author: Michael A Blake, MBBCh, MRCPI, FRCR; Chief Editor: George T Griffing, MD  more...
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Answer

Sinus tachycardia (presenting as palpitations) is the most common cardiac rhythm abnormality in patients with pheochromocytoma, but more serious ventricular arrhythmias or conduction disturbances may also occur. Other cardiac manifestations include reversible dilated or hypertrophic cardiomyopathy; Takotsubo cardiomyopathy has gained increasing recognition. [29, 31]


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