Congressman Mark Pocan was recovering at a Madison hospital Wednesday after undergoing triple bypass heart surgery to pre-empt an unspecified “cardiac issue,” his office reported.

“The surgery went well and Mark is looking forward to a speedy recovery so he can return to Washington soon to continue fighting for the people of Wisconsin,” Pocan’s office said in a statement.

Pocan spokesman Ron Boehmer said there is not yet a timetable for his return to Congress. It is expected he will be hospitalized for at least the next two days, Boehmer said.

Pocan, D-Black Earth, underwent the procedure Wednesday at Meriter Hospital.

Pocan, 53, did not suffer a heart attack prior to the surgery, Boehmer said.

Boehmer said Pocan has not had any prior heart surgeries. He said the decision was made to perform the triple bypass after Pocan underwent a series of medical tests last week.

Pocan has not voted in the U.S. House since Oct. 26, missing 31 votes in that span, House records show. Boehmer said the missed votes were due to the health issue.

Pocan has represented south-central Wisconsin’s 2nd Congressional District, which includes Dane County, since 2013.

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