The results of Hayden Panettiere’s autopsy are published after the actress’s death at age 36

Hayden Panettiere’s preliminary autopsy found no signs of trauma following the actress’ death at the age of 36, and authorities continue to investigate the circumstances.

Panettiere, known for Heroes and nashvillewas found unresponsive at a residence in Greenville, South Carolina, on August 16.

Emergency services were reportedly called following a report of cardiac arrest, but resuscitation efforts were unsuccessful.

The Greenville County Coroner’s Office completed an autopsy and found no injuries or trauma that contributed to his death. Greenville County Coroner Mike Ellis said, “The cause and manner of death remain pending further investigation and the completion of additional studies.”

According TMZA 911 call was placed at approximately 1:51 p.m. after Panettiere was reportedly found unconscious.

First responders and emergency medical personnel arrived to find her in cardiac arrest and began advanced cardiac life support procedures.

“Resuscitation efforts were unsuccessful,” the coroner’s office statement said. Panettiere was pronounced dead at approximately 2:32 p.m.

The audio of the emergency call reportedly included references to an “overdose” and cardiac arrest. However, authorities have not confirmed an overdose as the cause of death.

Panettiere’s death was confirmed by his representative, while ABC News reported comments from his father, Alan Lee “Skip” Panettiere.

“It is with deep sadness that we share the tragic passing of our beloved Hayden,” he said. “She was an incredible light and force of nature who brought immeasurable love and joy to all who knew her and to the millions who watched her on screen.”

Panettiere is survived by her daughter, Kaya, whom she shared with ex-fiancé Wladimir Klitschko.