Does MRI have any effect on children?

When it comes to MRI examinations, people usually think that this examination will bring side effects. In fact, this is a physical examination method that mainly uses the principle of magnetic field imaging. The reason why people are afraid of side effects is mainly because they worry that magnetic resonance imaging will have emissions. However, according to professional doctors, current MRI examinations are not radioactive, so they generally do not cause harm to the human body.

Does MRI have any effect on children?

There will be no effect, but long-term contact will cause radiation. Suggestions: It is recommended to avoid contact as much as possible. At the same time, it depends on the specific symptoms to know whether to check.

Magnetic resonance imaging (MRI) has a relatively high radiation dose, which may have a certain impact on children with more active hematopoietic systems. In fact, all radiological examinations have more or less impact on the human body, especially fluoroscopy, which has the greatest impact, while MRI, CT, and X-rays have relatively smaller impacts. If a single exposure is not sufficient to bring about obvious consequences, a follow-up examination is recommended after 15-30 days, which of course must be weighed against the condition of the patient.

In recent years, with the rapid development of medical technology, medical imaging diagnosis has entered a new stage of development, and the application of magnetic resonance imaging (MRI) has become more comprehensive, accurate, safe and stable. So, is MRI examination harmful to the human body?

Is MRI harmful to the human body?

1. Magnetic resonance imaging is an examination method that uses electronic computers to perform image analysis and diagnosis on human body cross-sections. It does not use X-rays, but magnetic fields. Its basic principle is that the hydrogen atoms contained in the human body will resonate when given specific high waves under a strong magnetic field, generating a high-wave number electromagnetic wave. Nuclear magnetic resonance utilizes this property and uses electronic computers to collect, process and graph the changes in the magnetic field.

2. Magnetic resonance imaging can show fat, internal organs, muscles, fast-flowing blood, bones and air, etc. The internal structure of the organs can also be clearly displayed. Doctors can easily identify tumors, inflammation, necrotic lesions, abnormal substance deposits, functional obstructions, blood circulation obstructions and other lesions in the patient's body. It provides great help in the diagnosis of various diseases of the nervous system, chest, abdomen and limbs.

3. Since MRI is magnetic field imaging rather than X-ray and is non-radioactive, it is harmless to the human body and is very safe. So far, there has been no report in the world of any harm caused by the use of MRI machines in hospitals, nor has any increase in the incidence of gene mutations or chromosomal aberrations in patients been found.

Magnetic resonance imaging is a new type of medical imaging technology that has emerged in the past decade. Its imaging principle is different from that of traditional X-ray machines and CT. It does not require X-ray radiation, so there is no radiation. However, to generate image signals, the examination part of the human body must be placed in a static magnetic field. Currently, 1.5T and 3.0T are commonly used in clinical practice. The higher the static magnetic field, the clearer the image and the shorter the scanning time. The higher magnetic field of 9.4T is still in the experimental stage and cannot be used in clinical practice. When the human body is in a high magnetic field environment, the proton groups with non-zero spin that make up the human body will be excited to generate magnetic moments and frequencies. If an external radio frequency pulse frequency is consistent with the frequency of the human body's protons, resonance will be generated. After the radio frequency pulse stops, energy will be released, and the energy will be received by the induction coil and imaged by a computer. This is simply the principle. As for clinical examinations, there are many imaging sequences used for examinations, so I will not go into details here.