1 To whom is it contraindicated the diagnosis of
MRI is contraindicated in people who have artificial dental implants containing metal, as well as joints or heart valves made of metal. Such people will have to look for alternative ways to study the cerebral cortex.
It is impossible to carry out the MRI procedure and those people who have a sick heart and who are forced to constantly wear a pacemaker.
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If there was an intracranial aneurysm earlier, this is the reason to prohibit a patient from undergoing an MRI procedure.
It is necessary to refrain from this procedure and those people who have problems with the cardiovascular system, and those who simply have weak blood vessels.
Women in the early stages of pregnancy should be delayed with this procedure and spend it after the birth of the child.
Those who have metal braces, you must also postpone the procedure MRI.You can do it when the term of wearing braces is over.
This is rare, but still those who have tattoos with dyes that contain iron in their composition, it is also undesirable to undergo an MRI procedure without extreme need.
2 Necessary measures before the
survey How to prepare for an MRI of the brain, the doctor will tell you. On the body or in the human body there should be no objects that contain metal in their composition. It can be various kinds of artificial limbs, artificial teeth made of metal, etc. The presence of such items makes the MRI procedure impossible.
In order for a doctor to prescribe an MRI procedure, he must have an idea of the patient, know the clinical picture of his illness, all the diseases that he suffered during his life and who still suffer from it. A special role is played by the presence or absence of chronic diseases, since a certain number of them also prohibits the procedure of MRI.At the time of the tomography, the patient should not have any complaints of poor health.
If earlier there were some serious injuries that required a doctor, if some operations were carried out, the medical personnel should also be informed. The doctor should analyze all serious cases of treatment of the patient for medical assistance and only then decide on the appointment of an MRI procedure.
But holding a preliminary conversation before the procedure is not all. The doctor should also explain to the patient how to behave during this procedure, so as not to harm the results of the study. Before starting, the doctor must make sure that the patient has removed all the metal jewelry, that he left the clock, mobile phone, player and other gadgets outside the medical office - they can not be categorically performed with them. If the patient at the time of MRI remains in clothes, then you need to examine it several times so that it does not have buttons, locks, zippers, ornaments, metal inserts. If the patient came to the procedure in such clothes, then it is supposed to be removed. It is necessary to check the pockets of the patient to make sure that he did not leave there small coins, keys, some other metal objects that could disrupt the work of medical equipment. After this, the doctor conducts a detailed briefing on how to behave when the procedure has already begun.
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First of all, you need to be prepared for the fact that MRI is a lengthy procedure. It takes from 15 to 30 minutes. During its holding it is necessary to maintain complete immobility, especially it concerns the head. In order to avoid any incidents, the head is placed on a special pillow and fixed on it.
In case the patient suffers from claustrophobia, that is, fear of enclosed space, he can invite a friend or relative with him for moral support. In modern clinics for people with such problems a special relaxing music is provided. But you need to warn the doctor about this in advance. It is better to drink before the procedure a sedative so that there are no additional problems. This applies to those people and children who came to such a procedure for the first time and are simply afraid.
MRI of the head is done in contrast, therefore, before the procedure itself, the patient should be tested for susceptibility to allergies. MRI of the brain is allowed only if the test shows a strictly negative result. As a result of positive, this procedure will have to be canceled.
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If a small child needs to undergo the procedure, because of age, who does not understand that it is necessary to lie still, and a patient who is in old age and who finds it difficult to stay in one place for a long time, such people are provided with an MRI procedure under general anesthesia. Therefore, medical personnel should be informed of the circumstances, then they will invite an anesthesiologist, who will consult the patient or his parent about the procedure of MRI under anesthesia.
technique The patient is laid on the couch, fixed to his position, if necessary, injected with anesthesia. The couch rolls into a special chamber, where the procedure begins. With the help of a magnet, pictures of the brain are obtained. After the magnetic resonance imaging ends, the patient is given his results, and he can go with them to consult a doctor. If there is nothing terrible with the patient, the doctor lets him go home. If there is any complicated clinical case or if there is a suspicion of the disease, the doctor discusses with the patient further treatment and draws conclusions.
4 Complications and benefits of
There have been no serious complications from the MRI procedure to date. The patient may experience psychological discomfort, but this condition will pass right after the couch with the patient leaves the tomograph. Children are supposed to use special earplugs to drown out the noise of the tomograph. During the procedure, some may feel a taste of iron in their mouth, but there is absolutely nothing to worry about. In some cases, the temperature in the head region may rise, but this too quickly passes.
If a competent radiologist is conducting a tomography, the chances for a clearer and clearer result are significantly increased.
The specialist should explain to the patient in detail how the procedure will be carried out and for what it is needed, and also to convince the patient that his health state does not threaten anything.
A competent approach to each patient in this case is incredibly important, since the patient's life and health will largely depend on this diagnosis.