A prank call to a former employer landed a 29-year-old woman in the Cobb County jail.

That's because Heather Lynn Hallock allegedly called the Intensive Care Unit at WellStar Kennestone Hospital and reported that a patient was in full cardiac arrest on a fourth-floor elevator, according to an arrest warrant obtained by the AJC.

More than 37 hospital employees, including doctors, nurses and security officers, searched the hospital for alleged critical patient but didn't find anyone, police said. Kennestone employees also called two other WellStar hospitals in search of the distressed patient.

"The search included the Duty Physician, the Duty Administrative Supervisor, Respiratory Therapists, Intensive Care Unit Nurses, Critical Care Unit Nurses, Security Officers and Registered Nurses from multiple floors including the Emergency Department," the warrant states.

No patient matching the caller's description was found.

When Hallock placed her second call to the ICU less than an hour later, around 2 a.m. Sept. 25, the nurse answering the call recognized the voice, especially after the caller said her name was "Heather," police said.

Hallock was arrested Tuesday afternoon at a Forsyth County home and charged with obstructing and hindering an emergency medical technician, a misdemeanor. She was booked into the Cobb County jail, where she spent a few hours before being released late Tuesday after posting $10,000 bond, jail records show.

Hallock is a registered nurse, according to the Georgia Secretary of State's Office.