Popular TikTok star Kyle Marisa Roth ’s cause of death has been disclosed four months after her sudden demise. An autopsy report has determined her death to be “natural,” according to documents obtained by TMZ. Maryland’s Chief Medical Examiner has ruled Roth, who was known for sharing celebrity gossip and opinions, died from cardiac arrhythmia caused by myocardial fibrosis.

Know the news with the 7NEWS app: Download today This condition involves an irregular heartbeat due to scarring on the heart muscle. No signs of alcohol were detected, however, a common antihistamine called diphenhydramine was found as well as the painkiller mitragynine. Her mother Jacquie Cohen Roth shared the news of her daughter’s death in April via a LinkedIn post.

“She touched some of your lives personally and some of your lives via her immense life on another platform,” Roth wrote on April 15. “Kyle loved and lived fiercely. Nothing makes sense now and we’ll understand more in the next few days.

“Be kind to one another please.” Meanwhile, Roth’s sister Lindsay Roth also shared a tribute on Instagram, saying the family “are still processing and deciding how to properly celebrate and honour her life”. “I know she touched so many people with her humour, intelligence, beauty, gossip activism, athleticism and more — she had so many gifts.

“If anyone wants to connect about Kyle, I’m here to talk and share memories. I will also keep you in the loop on any memorials as th.