The two astronauts have a busy day ahead of them. Hague and Williams will "patch light leaks in the NICER X-ray telescope, then ready the Alpha Magnetic Spectrometer for future upgrades," NASA ...

A typical series of bitewing X-rays — in which a patient bites down on a wing-shaped device to hold X-ray film in place — gives off about five microsieverts of ionizing radiation, said Sanjay M.

Objective—To determine if the 8 cm upper limit for mediastinal width applies in the trauma setting of today. To define the upper limit of normal mediastinal width for supine chest films. Methods—A ...

The dental technician will place a lead apron over your chest and wrap a thyroid collar around your neck. The X-ray sensor or film will be placed in your mouth for the picture. Most patients do not ...