Sen. Tom Coburn of Muskogee has been tested
for an irregular heartbeat.
Spokesman John Hart says Coburn was tested Friday at a
Washington area hospital but has not been admitted.
The Oklahoman reported from its Washington bureau that Hart said
the Republican senator is being tested for common arrhythmia and
expects to return to the Senate Saturday.

The 60-year-old Coburn had a benign tumor removed from his
pituitary gland last summer. He had colon cancer in 2003 and a
malignant melanoma in 1975.
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