BRADDOCK, Pa. — Pennsylvania Lt. Gov. John Fetterman, the leading candidate in Tuesday’s Democratic primary for the U.S. Senate, receives a pacemaker after suffering a stroke last week.

His campaign said on Tuesday that Fetterman was “about to undergo a standard procedure” to get a pacemaker with a defibrillator. Campaign officials say the pacemaker will “protect her heart and treat the underlying cause of her stroke.”

Fetterman said his stroke was caused by atrial fibrillation, a potentially serious but treatable type of irregular heartbeat.

The stroke landed him in hospital in the final days of the campaign. The 52-year-old says he is expected to make a full recovery.

Fetterman faces three other candidates in the race for the Democratic nomination for the open Pennsylvania Senate seat. Republican Senator Pat Toomey is retiring.

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Pennsylvania, North Carolina, Kentucky, Idaho and Oregon are holding primary elections on Tuesday. Former President Donald Trump put his approval record on the line in two key Republican primaries for open U.S. Senate seats in Pennsylvania and North Carolina. Voters in three states — Pennsylvania, Idaho and Oregon — choose their gubernatorial candidates.

HERE’S WHAT ELSE YOU NEED TO KNOW:

– Election 2022: Pennsylvania and North Carolina hold key races

– Midterms 2022: What to watch as 5 states hold primaries

— Pennsylvania gubernatorial race divides Republicans and unites Democrats

– North Carolina Rep. Madison Cawthorn faces voters after missteps

– Oregon Democrat at risk as 5 states hold US House primaries

– Idaho governor faces Trump-backed challenger in GOP primary

Follow all AP stories on the midterm elections at https://apnews.com/hub/2022-midterm-elections