In the case of a sudden release of gaseous helium into the magnet room, what should be the very first action taken by the tech?

In the event of a sudden release of gaseous helium into the magnet room, the first action should prioritize patient safety. Removing the patient from the bore and the magnet room is crucial because helium is an asphyxiant that can displace oxygen in the atmosphere. Inhaling helium can lead to hypoxia, which is a lack of oxygen needed for normal bodily functions.

Immediate removal of the patient ensures that they are moved to a safe area where they can breathe normally, thereby preventing any potential health risks that could result from exposure to the helium. Prompt action in this regard is essential in emergency situations to safeguard the well-being of the patient.

Following this initial response, additional actions such as notifying emergency services or managing ventilation can be addressed, but the health and safety of the patient must come first in an emergency scenario.