MRI side effects

In the past, some examinations were diagnosed through X-rays, so some diseases were only confirmed through experience, which delayed the treatment of many diseases. With the continuous development of medical technology, first CT machines were invented, and then more advanced MRI machines were invented. MRI can accurately diagnose some diseases and avoid some open-chest diagnoses. Moreover, the images provided by MRI are clearer and can better diagnose diseases. So what are the side effects of MRI?

Many people blindly judge that MRI has serious side effects based on its name. In fact, this is a wrong idea. Studies have shown that the side effects of MRI are not serious, and its advantages outweigh its disadvantages. Let me introduce you to nuclear magnetic resonance imaging and correct your misconceptions.

Nuclear magnetic resonance imaging, or MRI for short, is a biological magnetic spin imaging technology that utilizes the characteristics of atomic nucleus spin motion to generate signals after being stimulated by radio frequency pulses in an external magnetic field. The signals are detected by detectors and input into a computer, and the images are displayed on the screen after processing and conversion. In other words, MRI is different from CT, X-ray, and radiography. It is not radioactive and only relies on a magnetic field of a certain intensity to stimulate the spin axes of atoms inside the object to keep consistent, thereby generating a spin pulse, and then using this pulse signal to produce the required image. If we must delve into the harm it causes to the human body, it is mainly because strong magnetic fields can cause the displacement of metal. For example, metal fragments in the eyes and brain can cause brain damage and blindness under the action of the magnetic field. Therefore, people with a history of brain surgery and eye injuries, as well as welders, must pay attention to taking a head X-ray in advance. In addition, strong magnetic fields can cause metal objects such as forks, keys, oxygen cylinders, etc. to fly toward the center of the equipment, causing casualties to patients. Therefore, any metal objects are strictly prohibited in the house. As for radiation-like damage, the effect of MRI is not obvious. As long as you don't do it every day or every year, there will be no side effects and there is no need to wear strict protective equipment.

The above introduction shows that the side effects of MRI are not as serious as imagined. I hope you can make the right choice. However, MRI diagnosis is not omnipotent. For example, some gastrointestinal diseases are not as intuitive as endoscopy. When choosing to have an MRI, you must also make the right choice. In addition, MRI uses magnetic fields for diagnosis. Some people who have magnetic metals or pacemakers in their bodies are not suitable for MRI. This is an area that needs improvement.

MRI side effects