Hayden Panettiere's Boyfriend Gave Her Narcan Before Her Death, Brother Reveals

Zach Hickerson has broken his silence about the day he found the actress unresponsive, offering a clearer picture of what happened before paramedics arrived.

New details surrounding Hayden Panettiere's death have come to light. Days after the news broke, it emerged that her on-and-off again boyfriend Brian Hickerson had been present in the South Carolina apartment where she died.

Hayden Panettiere attends Los Angeles Premiere Of Netflix's New Film "Blonde" at TCL Chinese Theatre on September 13, 2022 in Hollywood, California. | Source: Getty Images

Brian's brother, Zach Hickerson, was the one who found her unresponsive on a chair while Brian slept in another room.

Before the "Nashville" alum was treated by first responders for an apparent overdose and cardiac arrest, according to 911 dispatch audio, Brian administered the overdose reversal medication Narcan, according to Zach.

Hayden Panettiere and Brian Hickerson are seen on January 31, 2019 in Los Angeles, California. | Source: Getty Images

After realizing she was unconscious, Zach explained in a statement to TMZ, "I immediately called 911 and Brian gave her Narcan. We then jointly performed CPR while 911 was on speaker until Fire and EMS arrived."

"At that point we watched as they tried every measure possible to save her life," he added.

A statement from the Greenville County Coroner's Office confirms that "first responders and Emergency Medical Services arrived on scene and located a female in cardiac arrest."

Hayden Panettiere and Brian Hickerson are seen at the celebration of life event for Panettiere's younger brother Jansen Panettiere on March 8, 2023 in Palisades, New York. | Source: Getty Images

"EMS personnel initiated advanced cardiac life support measures; however, resuscitation efforts were unsuccessful, and the individual was pronounced deceased at 2:32 PM," the statement read.

Following her death, Greenville County Coroner Mike Ellis performed an autopsy and noted in his report, obtained by People, that "no signs of trauma were discovered that would have contributed to the death."

Hayden Panettiere attends the world premiere of Paramount's "Scream VI" at AMC Lincoln Square Theater on March 6, 2023 in New York City. | Source: Getty Images

"Hayden was one of my dearest and closest friends that I loved and cared about for the last 8 years," Zach said. "Out of respect for her loved ones, the speculation and sensationalism of her death needs to end until the facts can be released from the investigation."