It’s been a couple months since beloved personal trainer on The Biggest Loser Bob Harper had a near fatal heart attack, and new details are arising, including the fact that he actually died during the attack — literally died.

“I was in full cardiac arrest,” Bob said on the Today show. “My heart stopped. Not to be dramatic, but I was dead. I was on that ground dead.”

The accident happened after a normal day at the gym when he was finishing workout and suddenly dropped to the floor and couldn’t breathe. “I had what they call a ‘widow-maker,'” he recalled. “It was a six percent survival rate, and the fact that there were doctors in the gym when I had the heart attack saved my life.”

Bob found two doctors who were able to give him CPR and administer a defibrillator twice. He later woke up in the hospital without a shred of recollection: “It was super scary for me because I woke up and I was so confused,” he said. “I was like Dory from Finding Nemo because I had this short-term memory, so I was reliving the heart attack over and over again. I was like, ‘Wait, why am I here? What happened to me?’ And 10 minutes later I was asking the same thing and getting super emotional.”

He continued: “[The heart attack] was hugely shocking for me. I’ve learned a lot about myself. I’ve learned a lot about the fact that genetics does play a part in this. It is so important to know your health. There were things going on inside of my body that I needed to be more aware of.”

Before the heart attack, Bob said he suffered from dizzy spells, which in hindsight could have been taken more seriously.

“I’ve been doing my cardiac rehab Monday, Wednesday and Friday. It’s been hugely beneficial to me,” he said. “They’ve taken such good care of me, so I’m feeling good. I’m taking it one day at a time. I’m doing exactly what the doctors tell me to do… It’s been hard. I’m going through some depression. You really face your mortality, and I’m really understanding what’s important in life. I’m not sweating the small things anymore, and I’m not sweating the big things anymore. I care about my friends. I care about my family. I care about my dog. I’m going to appreciate every single day that I’m here.”