The Rigor Mortis and Warbeast frontman, 52, was booked for emergency surgery on Monday (10Aug15) after doctors discovered his heart was misfiring.

Corbitt says, "It became very evident that I can't live a normal life anymore without doing the surgery, without fixing the problems... I feel like a walking time bomb."

Fans have launched a campaign to raise money to cover the singer's medical costs, and a benefit concert for Corbitt wil be held on 17 October (15) in Fort Worth, Texas, according to

The news of Corbitt's health issues comes less than three years after the death of Rigor Mortis guitarist Mike Scaccia, who died, aged 47, following a heart attack in December, 2012.