John Fetterman is expected to win his Pennsylvania Democratic Senate primary

Fetterman was admitted to the medical facility in Lancaster

Pennsylvania, on Friday, traveling to an event for the campaign.

The doctor determined that he had suffered stroke.

Fetterman is in the hospital ever since.

was treated for a three-hour operation on Tuesday in order to implant an implantable pacemaker

which includes the defibrillator.

Lt. Gov. John Fetterman has won the Democratic Senate primary in Pennsylvania.

The campaign still held an election night rally, headlined by Fetterman’s wife, Giselle, a fixture at his events.