Diagnosis Brings Answers After Tragic Loss
Melissa Mae Carlton and her husband Tom Carlton have identified a rare genetic mitochondrial condition called PPA2 as the cause of their daughter Molly’s sudden death on Christmas morning. This diagnosis arrives four months after the heartbreaking event and follows the loss of their daughter Abigail in April 2024 from sepsis, which they now believe stemmed from the same disorder.
Carlton shares the details with her more than 152,000 followers, emphasizing that PPA2 causes energy failure at the cellular level. This leads to sudden cardiac events in otherwise healthy children, rather than structural heart problems.
Overlooked Condition Raises Awareness
The influencer describes PPA2 as extremely rare yet under-tested and often missed by medical professionals. “I believe there are many sudden, unexplained child deaths that go undiagnosed,” Carlton states. She urges change so families learn about it before tragedy strikes.
The family continues testing, with Carlton requesting prayers during the wait. She explains the timing of her update: “It may feel uncomfortable to some people – but I felt really betrayed.” Losing Abigail and then Molly 18 months later on Christmas Day left her questioning, “Why would God allow this to happen to us again?”
Details of Molly’s Final Hours
On Christmas morning, paramedics arrived within three minutes, and the pediatric trauma center was just 15 minutes away. Doctors fought all day to revive Molly after her cardiac event but could not save her. Carlton recalls hoping for a miracle: “She’s going to wake up and tell me she’s been with Abbi, and it’s all going to be OK.”
The couple left the hospital shell-shocked, facing the task of telling their remaining children, Lily and son Harry, about their sister’s death. Molly, aged 5, had deeply missed Abigail, often asking, “Mummy, when is Jesus coming back so Abi can come down?”
Faith Amid Grief
Carlton turns to her faith for solace. “If I’m honest, I wrestled deeply with God,” she admits. “Losing one child felt impossible… losing two felt cruel.” She holds onto beliefs in a loving Heavenly Father, eternal families, and life’s purpose.
Initially, without a full diagnosis, doctors suspected a genetic heart condition possibly shared with Abigail. Any minor illness could trigger such events, Carlton notes, making this vital for families facing sudden unexpected deaths in children (SUDC).
Previous Loss and Ongoing Grief
Abigail, 9, died suddenly after stomach pain and vomiting, initially dismissed as a bug. Carlton has shared raw grief online, admitting the pain of holidays without her. Traditions now honor Abigail with “Abi angels,” childhood ornaments, and framed pajamas.
“This is what Christmas looks like now,” Carlton concludes, prioritizing a lived-in home over perfection.




