She is seeking in excess of $50,000 because her "ability to perform new music has been impaired to her professional detriment, embarrassment and financial loss," the complaint read.
"Being shocked during the course of an MRI evaluation does not occur when a patient is properly prepared for the MRI and the equipment associated with the study is properly set up," according to the complaint. King and her legal reps blame employees who prepared and operated the MRI equipment, the filing said.
King and her attorney, Edward McCandless, declined to discuss the case yesterday.
HUP spokeswoman Olivia Fermano said the hospital would refrain from comment because it had not been served the legal documents as of yesterday afternoon.
Almost at the start of the MRI, King felt "the sensation of strong electric shocks" and the procedure was shut down, the complaint read. Afterward, King experienced physical symptoms such as apparent exit wounds, tingling and swelling of arms and hands.
She also had some cognitive issues such as "trouble with short-term memory and acquiring new information," according to the complaint.
The West Philly singer has performed throughout the country, South America, Africa and Europe with the likes of composer Chris Beck, singers Celine Dion and Billy Paul, and singer, songwriter and record producer Bunny Sigler.
She has lent her voice to many artists' CDs, including her own "Fever," and has performed at the Kimmel Center and the Cheltenham Arts Center.