Cause of death of T.I.'s sister revealed

Medical examiner determines it wasn’t an asthma attack that caused Precious Harris’ fatal car wreck.

The death of Atlanta rapper T.I.’s sister in February has been ruled an accident by the Fulton County Medical Examiner.

Precious Harris, legally known as Antoinette Chapman, became unconscious while driving her brother’s Dodge Avenger on Feb. 12. She was transported to Grady Memorial Hospital, where she died nine days later.

» Reports: Atlanta rapper T.I.'s sister, Precious Harris, has died

The medical examiner specified that Chapman, 66, who had a history of hypertension, diabetes and kidney disease, tested positive for cocaine.

“Antoinette Chapman died as a result of cocaine toxicity which aggravated hypertensive cardiovascular disease (high blood pressure). Cocaine causes coronary artery spasms in addition to increases in blood pressure and pulse resulting in the development of (abnormal heart rhythms,” the report, obtained by The Atlanta Journal-Constitution through an Open Records request, said.

The official cause of death is listed as “cocaine use aggravating hypertension” and the manner of death an accident. The medical examiner signed off on the report on June 5.

» Tributes to Precious Harris by T.I. and family will touch your heart

Chapman would sometimes appear on “T.I. and Tiny’s Family Hustle,” the VH1 reality show starring T.I., his wife Tameka “Tiny” Cottle-Harris and their family.

T.I. (born Clifford Harris Jr.) is actively involved in many charitable endeavors in Atlanta through his Harris Community Works. His older sister frequently joined his outreach, including the annual Senior Thanksgiving to provide turkeys to thousands of seniors and grandparents and the annual Holiday Caravan, which supports daycare centers  in need. Chapman was also an ambassador for Saving our Daughters.

» T.I. honors late sister, Precious Harris, with $25,000 scholarship fund

Earlier Thursday, when the circumstances surrounding Chapman's death became public, T.I. lashed out on Instagram at media outlets that publicized the information. He's since posted another message in memory of his sister that says, in part: "U were too good to too many for US to let any hurt harm or danger come to you or your legacy. #LongLivePrecious