Man wearing 'large metallic chain' dies after being sucked into MRI machine
He was wearing a "large metallic chain" when he entered a room on Wednesday, local time, without permission as an MRI machine was running, police said.
The accident highlighted the importance of checking for any metallic objects before going near the powerful magnets used in medical imaging machines.
Here's what we know.
On Wednesday afternoon, the man entered an MRI room while a scan was underway at Nassau Open MRI in Westbury, New York, on Long Island.
The machine's strong magnetic force drew him in by the weight-training chain around his neck, according to a statement from the Nassau County Police Department.
This prompted an unspecified "medical episode", police said.
Though police have not named the victim, a patient at the facility told local media her husband, Keith, was the one who died.
Adrienne Jones-McAllister said she was having a scan on her knee when she asked the technician to get her husband to help her get off the table, a task he normally did at her appointments.
She said he was wearing a 9-kilogram chain with a lock that he used for weight training.
Ms Jones-McAllister said the technician helped her try to pull Keith off the machine but it was impossible.
"I said: 'Could you turn off the machine, call 911, do something, Turn this damn thing off!'" she recalled.
"He waved goodbye to me and then his whole body went limp."
In the interview with local media, Ms Jones-McAllister said this wasn't the first time she and her husband had been to Nassau Open MRI.
"That was not the first time that guy has seen that chain" on her husband, she said.
"They had a conversation about it before."
The man was taken to hospital in critical condition before he died on Thursday after suffering several heart attacks.
The police investigation is ongoing.
MRI machines use a strong magnetic field to produce detailed images of the inside of a body.
An MRI scanner is often shaped like a tunnel, with a table for a person to lie on that slides through the middle.
Here's a bit more on that according to Health Direct:
The scanner uses strong magnetic fields and radio waves to generate signals from the body.
These are picked up by a radio antenna and processed by a computer to create detailed pictures.
Patients are typically asked to remove metal items and change out of their clothes before undergoing scans or going near the machine.
An MRI scan is generally safe and poses almost no risk to the average person.
Although it doesn't emit the ionising radiation that is found in an X-ray and CT imaging, it does employ a strong magnetic field.
The magnetic field extends beyond the machine and exerts very powerful forces on objects of iron, some steels and other magnetisable objects.
For example, something as small as keys to something as large, or larger, than an oxygen tank can become a projectile.
The US National Institute of Biomedical Imaging and Bioengineering (NIBIB) says MRI units are "strong enough to fling a wheelchair across the room".
Because of these types of risks, patients must notify their doctors about any medical implants prior to an MRI in case they contain any metallic materials.
Pacemakers, insulin pumps, stents and cochlear implants are all examples of implants that should under no circumstances enter an MRI machine, the NIBIB says.
Other objects such as surgical clips, bullets, plates, body piercings, screws or wire mesh may also not be allowed in an MRI exam room.
But the US Food and Drug Administration says adverse events for MRI scans are rare.
Millions of MRI scans are performed in the US every year.
The FDA receives about 300 adverse event reports for MRI scanners and coils each year from manufacturers, distributors and patients.
In 2001, a six-year-old boy died of a fractured skull at a New York City medical centre while undergoing an MRI exam. Its powerful magnetic force propelled an oxygen tank across the room and into the chamber.
ABC with wires
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