Demi Moore 911 call: 'She smoked something'

Phil Mccarten / Reuters

"Send an ambulance right now. This is an emergency."

So begins the dramatic 911 call, in which Demi Moore's friends are desperately trying to get an ambulance to the actress' Beverly Hills home as quickly as possible, which was released this morning by the Los Angeles Fire Department.

On the heavily redacted recording, which lasts about 10 minutes, one of Moore's friends begins arguing with the dispatcher amid confusion over which agency covers the neighborhood and should be sending paramedics.

"Why is there not an ambulance coming now?" the woman says testily before explaining what caused the star to "act crazy."

"She smoked something. It's not marijuana but it's similar to incense. She seems to be having convulsions of some sort.MORE from E!: Demi "Pretty Hyper" and "Acting Crazy" Just Before Hospitalization

"She's semi-conscious ... barely. She's convulsing."

The phone is passed to another woman, who tells the dispatcher, "She's not breathing normally ... she's burning up."

Asked if she knows exactly what Moore smoked or any other drugs she might have consumed, the second woman replies: "She's been having some issues with some other stuff lately. I don't know what she's been taking or not."

The dispatcher calms the woman down and explains how to treat Moore, stressing to keep her airway open.

By the end of the call, the paramedics have arrived to take Moore to Sherman Oaks Hospital, where she has since been discharged.

As E! News has previously reported, the 49-year-old Moore had been hosting a birthday party for a friend at the time and had exhibited "pretty hyper" behavior in the moments before the 911 call.