Long Island family alleges MRI technician invited Keith McAllister into room without metal warnings, leading to fatal accident when his chain attracted to magnetic field.

Note that some links may require registration or subscription. A 61-year-old man who last week was pulled into an MRI machine in New York after he walked into the room wearing a metal chain around his neck has died. ( AP)

Lisa Kis booked time off work, fasted, drove across the city and paid for parking on her way to a long-awaited MRI appointment. When she got there, she was turned away.

MRI safety requires removing jewelry, avoiding certain clothing, and informing doctors about implants and medical devices, as these items can pose health hazards.