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One of the oldest forms of medical imaging equipment still in use today is the X-ray. While there are many more recently-developed forms of imaging equipment available for diagnostic purposes, many doctors still first look to the X-ray for diagnostic assistance.
The first X-radiation (commonly referred to as X-ray) imaging equipment was invented by German scientist William Roentgen in 1895 and to this day is still considered one of the greatest medical advancements in history. The first portable X-ray was developed in 1919 by American mechanical engineer Frederick Jones.
The X-ray is a combination of a cathode and an anode that resides inside a glass vacuum tube. When an individual goes to have an X-ray, the area is surrounded by lead in order to protect others from being exposed to the rays. Often, individuals will wear lead to protect other areas of the body not being examined. For example, if a chest X-ray is being done, a woman may wear a lead apron to protect her reproductive organs from x-ray exposure. The X-ray light passes through the patient's body and an image is shown onto a standard film negative. The high-contrast of the black of the negative and the light showing the inside of the body allows the doctor to look for problems like broken bones and disease.
Many worry that the radiation that emanates from X-ray imaging equipment is dangerous. While the early forms of X-ray technology proved to be extremely dangerous, often causing radiation sickness in both patients and doctors, the modern-day X-ray is very safe. It is important, however, that the doctor and patient discuss the use of X-rays for diagnostic purposes, so the patient feels comfortable and the imaging equipment is not over-used throughout the patient's life in order to avoid cumulative radiation exposure. It is also important if a female patient may be pregnant, that she share that information with the X-ray technician due to potential harm to the fetus.
In the long run, the potential risks of using X-ray imaging equipment are minor compared to the long-standing diagnostic success this technology has provided to both patients and doctors in the care and treatment of injury and disease.
