78-year-old Bernie Sanders had a heart attack earlier this week his campaign said in a statement.

NBC reported:

Sen. Bernie Sanders, who was hospitalized Tuesday and treated for what his 2020 presidential campaign said was a blockage in one artery, had a heart attack, according to a statement his campaign issued Friday quoting his treating physicians. Sanders, 78, was diagnosed with a “myocardial infarction,” the medical term for heart attack, the physicians said. Sanders was discharged from a Las Vegas hospital Friday.

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On Tuesday the 2020 candidate had two stents inserted to address a blockage in an artery, his campaign announced.

“During a campaign event yesterday evening, Sen. Sanders experienced some chest discomfort. Following medical evaluation and testing he was found to have a blockage in one artery and two stents were successfully inserted,” said Sanders’ senior adviser Jeff Weaver on Wednesday in a statement.

Sanders, 78, remained hospitalized in Las Vegas, Nevada all week.

Bernie Sanders said in a Friday statement that he feels great and is “looking forward to getting back to work.”