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A 39-year-old female asked:

What may be causes of chronically high heart beat in mid 90 to 100 and a bit above , over more then a year? thyroid and lft and iron level was normal

1 doctor answer1 doctor weighed in
Dr. Jerome Zacks
Cardiology 51 years experience
Multiple causes.: Anemia, infection, hyperthyroidism, heart failure, valvular heart disease, autonomic dysfunction, pericarditis, myocarditis. Rare causes would include neuroendocrine tumors such as a pheochromocytoma. It merits a careful history and physical exam, ecg, chest x-rays and some routine blood tests.

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Last updated Jan 1, 2014

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