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Examination Of The Gastrointestinal Tract By MRI And CT

When examining the gastrointestinal tract and suspecting a serious illness, a computer (CT) or magnetic resonance imaging (MRI) scan is performed. Only these two types of examinations can give a full picture of violations in the digestive tract. With more common diseases, ulcers, bowel obstruction, polyps, CT is usually prescribed, which within 15 minutes will reveal all the disorders, including internal bleeding. MRI is prescribed by an MRI scan centres in Noida in more complex cases, with suspected neoplasms in the gastrointestinal tract or when other examination options do not give an exact answer in determining the disease.

Pay attention to your intestines with the following symptoms:

  • Black feces or blood feces (see a doctor immediately)
  • Often recurring pain in the abdomen or anus
  • Prolonged feeling of nausea
  • Prolonged constipation
  • Bloating
  • Frequent diarrhea

MRI is prescribed to the patient to obtain the final picture of the disease, as well as:

  • With suspected tumors
  • If the patient is pregnant

This is explained by the fact that in MRI, unlike CT, the patient is not exposed to aggressive radiation during the procedure. Therefore, CT is strictly contraindicated for pregnant women, and MRI is allowed from the third month. CT can also not be done more than once a year. CT is prescribed for suspected internal bleeding, and when there is a suspicion of a violation of the complete integrity of the intestines and stomach. Also, when there is a suspicion of acute bowel obstruction. With CT, the patient is exposed to radiation; with this, there are limitations in its use.

With CT, doctors can accurately determine the state of the gastrointestinal tissue and the violation of their integrity, determines wall defects, perforation of the stomach and intestines, and the state of sphincters.

MRI gives a picture of changes in cell metabolism and reveals significant pathologies, including malignant and benign tumors, cholelithiasis, and inflammatory processes in the pancreas.

It is not difficult to prepare these procedures:

  • Forget about vegetables, fruits, grain bread and other products containing coarse fiber per day
  • 8 hours before the examination, stop any meal
  • An hour before the procedure, take 5-6 tablets of activated carbon, if there are no contraindications.

WHAT TO CHOOSE: CT OR MRI?

When choosing between CT and MRI, it is necessary to take into account the features of each type of examination and recommendations of MRI scan centers in east Delhi. When making a decision, the following factors should be considered:

The clinical picture. If you suspect diseases such as an ulcer, polyp, other disorders in the structure of the intestinal wall or obstruction, they often turn to computed tomography. This examination allows you to detect internal bleeding, which helps to save the patient's life. Due to the fact that the study takes no more than 10-15 minutes, the diagnosis of an injury to the gastrointestinal tract and the appointment of the necessary treatment is fast enough.

Suspicion of oncology. MRI of the gastrointestinal tract allows you to get an accurate diagnosis regarding cancer. Finding a tumor, especially in the pancreas, is quite difficult, especially in acute inflammation. This method provides an accurate diagnosis of such pathology and makes it possible to prescribe effective therapy.

Can Brain MRI Detect Epilepsy?

To determine a disease such as epilepsy, MRI is much more effective than computed tomography. MRI uses x-rays, which are considered harmless to the body. Brain tissue may be subject to morphological changes; it is precisely magnetic resonance imaging that can determine them. Epileptic seizures in adults occur due to a brain tumor. The cause of the onset and development of the disease can be injuries, infectious diseases, chronic and acute intoxications.

Causes of the disease and the role of MRI in its diagnosis

In the process of diagnosis using MRI, you can determine the appearance of the main focus of the disease. The appearance of the focus primarily concerns a chronic disease. Magnetic resonance imaging allows you to determine the causes of seizures, to determine the size of the foci and their number, to determine the development of the disease for a certain period.

How is an examination using a tomograph for epilepsy?

Before you start diagnosing with MRI test in east Delhi, you must follow certain rules. Try to conduct an examination at the first sign of a disease. The sooner you spend them, the better. The patient must remove all metal objects. The scanning process takes no more than an hour. In order to prevent a seizure during scanning, it is necessary to exclude the occurrence of stressful situations; the patient should be as stable as possible. It is forbidden to conduct a scan if there are stimulants and implants in the patient's body. Tomography in heart failure is also undesirable.

Contrast method

A special contrast agent is used to implement this method. Gadolinium solution is administered intravenously with constant medical supervision. Gadolinium is a light gray metal used as a component in the production of phosphors. It is absolutely safe for humans. After use, it is excreted from the body in a natural way.

Thus, for a successful MRI diagnosis, it is necessary:

Competent, compiled by an epileptologist physician, referral to an MR study. In most cases, based on the clinical picture and EEG results, the neurologist-epileptologist can make an assumption about the nature and localization of the pathological process and should reflect this in the direction.

A modern MRI scanner with a sufficient magnetic induction power of at least 1.5 T and the ability to conduct research with a minimum slice thickness.

A qualified doctor of radiation diagnostics, having training in neurology, well knowing the specifics of the functioning of the nervous system and applying, if necessary, additional methods of data collection that go beyond the scope of the usual protocol.

The absence of a proper dialogue between neurologists-epileptologists and MRI scan centers in New Delhi, as well as, often, insufficient qualifications of both of them, explains a large number of negative results in MRI diagnostics of epilepsy. At the same time, global trends in the development of epileptology indicate a constant decrease in the number of cryptogenic (with undetermined causal) epilepsies and an increase in the number of symptomatic that is, developing secondarily against the background of structural and morphological changes in the brain.

What Does The 3Tesla Resonance Will Reveal The Multiple Sclerosis?

It has been announced as an important advance in the diagnosis of multiple sclerosis, an autoimmune disease of the central nervous system that affects 75,000 Italians and 2.5 million people worldwide.

This is the demonstration that it is possible to identify the brain lesions typical of multiple sclerosis (MS), distinguishing them from similar injuries but due to other pathologies, using a 3 Tesla (3T) magnetic resonance instead of 7 Tesla (7T), more powerful equipment that allows this discrimination in an easy way but that is still mainly used only for research purposes.

WHAT IS MULTIPLE SCLEROSIS

Multiple sclerosis (MS) is a disease related to the central nervous system in which the immune system affects the myelin sheath that coats the nerve fibers in the brain, spinal cord, and optic nerves. As this process progresses, which also causes the appearance of scars (sclerosis), they gradually lose the ability to transmit the electrical signal to other nerves. It can occur in people of any age and condition; it has mainly a chronic course in which the disease progresses and can cause serious disability.

WHY THE NEUROIMAGING IS SO IMPORTANT

High cost of 3t brain MRI has powerful scanners that resonate the protons of our body, mostly contained in the water of which we are made, and transform the signal they emit into extremely precise images of anatomical structures.

In the case of the brain, the detail is very high up to being able to identify even very small brain structures, such as venules. Pathological changes appear as alterations of this signal. Unfortunately, however, many lesions of extremely different pathologies resemble each other from the point of view of the signal, but understanding exactly where they are located nevertheless greatly helps the diagnosis. For example, MS lesions are perivenular.

And so, as far as the diagnosis of this pathology is clinical, high-field resonance is often necessary, so much so that it is included among the examinations required by diagnostic criteria recognized by the scientific community.

Being able to distinguish in this way, brain lesions from MS from other brain lesions with MRI is therefore fundamental for the diagnosis in cases where some lesion appears, but its nature is not clear.

And making the diagnosis immediately and very quickly is very important because we must try to stop the disease as soon as possible. But a resonance of a certain sensibility counts above all in the progression controls of the illness, when the «lesion load» is evaluated; when new lesions appear from one control to the other, seeing them or not seeing them, or exchanging a new vascular-type lesion with an MS lesion can change the therapy. MRI images are equally important in therapeutic monitoring, ie, in assessing the effects of therapies.

Modern high and very high field imaging machines allow us to obtain highly detailed high-resolution images and are used for the study of numerous neurodegenerative and inflammatory diseases. It is in this part of patients that the new discovery is inserted, moving in the clinical field a technique developed on the very high field of Cost of 3t MRI in Delhi.

Is It Possible To Do CT And MRI For Children?

Imagine that a doctor prescribes your child to undergo a computed tomography or magnetic resonance imaging. Most likely, you are, first of all, thinking about the possible risks: will this or that research harm the children's organism? How will the child take them?

Is there a danger?

Magnetic resonance imaging (MRI) is an absolutely safe method of research, since it does not use ionizing radiation sources. There is no reason to worry about the hypothetical harm to the child from this type of diagnosis. When conducting computed tomography (CT), X-rays are used, so the concerns of the parents are well founded. But in the medical organizations of the Moscow Department of Health, special pediatric research protocols are used, which allow reducing the radiation dose to the minimum harmless values. Therefore, this procedure does not have any negative impact.

Is it possible to replace a CT scan with a safer MRI?

MRI and CT are two different methods of radiation diagnosis, which are not always interchangeable. They give different information about the state of health, so the question of what kind of research to conduct a child is decided directly by the attending physician or radiologist. The greatest harm to health is caused not by a microdose of X-rays, but by insufficient diagnostics.

Is it necessary to give children anesthesia during CT and MRI?

During CT and especially MRI, it is very important that the child remains stationary throughout the procedure; otherwise, the results will not be accurate or not suitable for analysis. The MRI procedure takes an average of 20-30 minutes, which means that the child will have to lie motionless all this time. As practice shows, children 5-6 years and older do an excellent job with this task. But earlier patients are difficult to maintain immobility.

For children under 3 years old, CT and MRI are performed only in a hospital, under the supervision of specialists. Before the study, the child is given a sedative or mild inhalation anesthesia, after which he wakes up quickly and easily.

CT and MRI with contrast enhancement

To diagnose some diseases, a child may need to have a CT scan or MRI with a so-called contrast - and you should not be afraid of this study. Before the procedure, the doctor will carefully collect anamnesis and find out all about possible contraindications. For greater safety, a study with contrast enhancement in children is carried out only in hospitals.

Where will my child be taken for CT and MRI?

According to the order of the Moscow Department of Health, the routing of children on CT and MRI in hospitals is carried out in accordance with the assignment by the district. That is, depending on the CT scan centre in which you are monitored, you will be assigned a referral to one or another institution.

In most cases, children under 3 years old are sent to inpatient medical organizations for CT and MRI. This is due to the need to introduce anesthesia for the success of the study. Children over 4 years old can undergo an outpatient study.

How Essential Oils Can Prevent Migraine?

Migraine is a severe recurring vascular headache. More often than not, it is women who suffer more from this medical condition than woman. The dull ache is often heart throbbing and in some cases distorts the speech of a person due to the severity of pain. Only a detailed scan of the head in the MRI Scan Centre can give the right assessment of the pain.

Though migraine does have specific medications in place for every possible level of pain, the essential oils can also have a significant impact in easing the pain. One may ask how the essential oil can be as good, if not better than the drugs and medication. To put things into perspective, the essential oils are administered externally. On more beneficial terms, the essential oils provide relief, aid circulation and reduce stress. They are equally laced with other health benefits like boosting your immune system instead of wreaking havoc on your vital organs. Let's have a look at some of the essential oils which are effective in preventing migraine.

  1. Peppermint- It has a long-lasting cooling effect on the skin, ability to inhibit muscle contractions and role in stimulating blood flow in the forehead when applied topically. One suggestion to use peppermint oil to improve blood circulation, reduce pain and relieve tension is that the oil be diluted with two to three drops of peppermint oil with coconut oil and applied into the shoulders, forehead, and back of neck.
  2. Lavender- Lavender essential oil has a variety of therapeutic and curative properties. It has excellent properties which relax and relieves tension and stress — working as a sedative, antidepressant, anti-anxiety, anxiolytic, anticonvulsant and calming agent. It can even be an effective treatment of neurological conditions and disorders, the latest research shows. The two primary benefits of lavender oil are relieving feelings of restlessness and disturbed sleep, two symptoms of headaches. It also regulates serotonin levels, which helps minimize pain in the nervous system that can lead to migraine attacks
  3. Eucalyptus- Widely regarded as an expectorant, it helps cleanse the body of toxins and harmful microorganisms. It also opens the nasal airways and eliminates sinus pressure that can lead to a nasty headache; all while promoting emotional balance and boosting mood. To get quick relief, add diluted two to four drops of eucalyptus oil with carrier oil, and apply it topically to the chest, back of the neck, temples, and forehead. Not only does it eliminate the nasal buildup and clears your airways — alleviating the sinus tension that leads to a headache or migraine attack.
Why is Magnetic Resonance so Noisy?

In past years, magnetic resonance imaging (MRI diagnostic labs in Delhi) has become one of the most requested tests within a diagnostic imaging service thanks to its great potential to differentiate the different tissues that make up the human body, but why is it so noisy? It is the question that many patients ask themselves at the end of the test.

The Magnetic resonance machine basically consists of a powerful magnet, mostly superconductors, with a transmitter and a radio wave receiver, in addition to all the electronics necessary to coordinate its operation. The magnet creates a powerful magnetic field even more powerful than that of the earth, the transmitter, in turn, emits radio waves that are directed towards the patient, these waves excite the protons of the different tissues and the receiver picks up the signal emitted with which will create the image.

There are four magnets, one main, the largest and most powerful, and the other three smaller ones are the gradients, which are inside a large metal coil called a gradient coil. This coil is composed of copper electromagnets that create a secondary magnetic field in each of the three directions of space and fulfill a fundamental function since they are responsible for spatially locating the RM signal and coding it in order to create the image.

What is so much acoustic noise? To create the magnetic field an electric current has to be applied and when this is applied in the presence of a static magnetic field they produce variable magnetic forces that act on the gradient coil (mechanical vibration) and cause it to expand and contract rapidly in a matter of milliseconds producing movements or vibrations generating noise that is manifested throughout the room, so we can say that the main responsible for the noise generated by the magnetic resonance machine are the gradient coils.

There are other factors that contribute to generate noise such as the modification of acquisition parameters, acoustic noise tends to improve with the reduction of the thickness of cut, the field of vision (FOV), RT (repetition time) and ET (echo time) but this may affect the resulting image.

On the other hand, the acoustic noise characteristics have a spatial dependence depending on the position and the size of the patient; the levels can vary by about 10dB.

Studies conducted including a variety of pulse sequences where several gradients are applied resulted in this type of sequences (3D and GR) being among the strongest with levels ranging from 103-113 dB. Other studies also measured the acoustic noise generated by echo planar (EPI) and FSE (fast spin echo) sequences in 1.5T, noise levels ranging from 114 to 115 dB and in 3T levels in the range of 126 to 131 dB for these noise levels the use of hearing protection is recommended.

When the patient asks about technical issues like this we cannot use a very technical language since the patient would not understand us, we have to find a way to make ourselves understood in order to satisfy their curiosity. A patient informed about the MRI test cost in Noida that is going to be performed tends to collaborate and feel safer.

The 3 Main Trends In Diagnostic Imaging Of 2019

The technology is not modern but its applications could be surprising.

The prospects for diagnostic imaging in 2019 seem very similar to what was discussed in 2018. Artificial intelligence (AI) and wearable devices are again on the list, along with even more apps for mobile imaging devices. This ranking of the 3 main trends in diagnostic imaging is no surprise. However, in 2019, it will be interesting to observe a better understanding and more applications of these already existing technologies.

Trend 1. Artificial intelligence deserves a closer look

The interest and development of applications on the subject of artificial intelligence will remain high. Although artificial intelligence is explored as an additional eye on image analysis, it will not replace the human factor. MRI scan centers in east Delhi do much more as compared to the most advanced algorithm can do because they don't focus exclusively on images. Their purpose includes communication, image quality assessment, image optimization, training, procedures, policy definition, and more. Becoming an expert in all these essential skills would require a level of "general artificial intelligence" of at least 20 years- if not perhaps more.

Trend 2. Wearable diagnostics

Wearable medical devices will do more in imaging than during 2019. Although many medical devices have limitations and some are controversial, the list of their applications- from measuring ECGs to alerting people overexposed to UV rays- is exploding. One of the most recent inventions for diagnostic imaging is the MEG wearable brain scanner.

The lightweight MEG is "worn as a helmet and can measure brain activity while people make natural movements like nodding, stretching, drinking tea and even playing ping-pong." The wearable scanner offers better imaging possibilities to patients with disorders that cause body movements.

Another wearable device is an MRI glove. Worn close to the skin, it can provide clear and consistent images of moving joints and tendons.

The advantages of the images produced by the MRI glove include the provision of a clear map of the anatomy of the hand, which helps in multiple aspects, from surgery to the most accurate prosthesis design.

Trend 3. Mobile applications for brain and body

Although there are many health apps for mobile devices, there are not many applications approved by the Food and Drug Administration (FDA) for diagnostic imaging. However, mobile technology will continue to affect the medical profession in diagnostic imaging.

Together, these developments allow radiologists to report, collaborate, and consult doctors in other specialties with the same certainty that they would have following an assessment at their reporting workstations.

Concluding

There will be technological advances that will help improve the diagnoses and speed with which they can be processed. Finally, greater flexibility through mobile access for radiologists will help doctors, nurses, and other professionals involved in the care continuum to be better informed and closer to the patient.

MRI Gains In Precision- A Big Plus For Neuroradiology

Medical MRIs generally use a magnetic field of 1.5 Tesla, but more and more establishments are equipped with 3 Tesla MRIs which allow an improvement of the image quality to visualize brain structures.

In recent years, MRI technology has greatly improved, which has allowed the introduction of magnets twice as powerful as those of the previous generation. An innovation that first benefited university hospitals, but is now spreading in many radiology centers. With regard to brain imaging, many diseases benefit from the improvement of the quality of 3 Tesla images, such as small malformations of the cortex in epilepsy, or micro-aneurysms of intracranial vessels.

Without additional risk

As a reminder, unlike the scanner, the MRI technique is not based on the use of radiation but on that of a magnetic field and radio waves. It relies on the property of the nucleus of hydrogen atoms to behave like a small magnetized top in certain conditions. Now, these atoms are present everywhere in our body: in water and in fats, in different quantities according to the tissues. When the protons are placed in a strong magnetic field- provided by the large tunnel-shaped magnet inside which the patient enters- they become magnetized.

Emitting electromagnetic waves of the same frequency excite the hydrogen nuclei and disturb the equilibrium state of the system: this is the resonance phenomenon. After each pulse, the protons restore the energy accumulated during their excitation by producing a signal, received by antennas. This signal closely depends on the water concentration of the surrounding molecules so that we can distinguish each tissue. Whatever the MRI test cost in Gurgaon, there are no contraindications or additional risk since the biological effects of a short exposure to a static magnetic field have been widely studied and no deleterious effects have been reported.

The gain of safety and comfort

MRI is often feared by patients as it can be painful to stay for almost an hour without moving in this narrow, hot, and noisy environment. They will be happy to learn that the exam time can be significantly reduced. It obviously depends on the indication, but a complete brain scan lasting 45 minutes can, for example, be reduced to 30 minutes. Regarding the tariff, it is not different from a 1.5 Tesla MRI since the TARMED grid does not differentiate magnetic field differences. Now, when a patient consults for a headache, a diagnosis with a 3 Tesla MRI will result in a much safer outcome. Especially since certain pathologies require a fast treatment at the risk of endangering the life of the patient.

Previously, patients were apprehensive about passing an MRI. The procedure took a long time, from three-quarters of an hour to one hour. Moreover, it was necessary to remain motionless in a narrow white tunnel. Few were happy at this prospect.

Fortunately, the deal was quick to change. Given the rapid growth of MRI applications, operators wanted to see the hardware and software evolve in order to improve the procedure, both in terms of speed and comfort. Recent years have seen the implementation of innovations that have accelerated the scanning speed or optimized comfort. The MRI has thus gained in efficiency and user-friendliness, for both patients and MRI scan centers in New Delhi.

What is the Difference between Magnetic Resonance Imaging and Duplex Scanning?

MRI or duplex scanning is widely used in clinical practice for the diagnosis of diseases affecting blood vessels - veins or arteries. Choosing which of these techniques to include in the examination program, the MRI scan centers in New Delhi makes a start from the patient's age, clinical picture, characteristics of the organism and other factors. To objectively answer the question of how duplex scanning differs from MRI, we will pay attention to the principles on which these methods are based.

MRI or duplex scanning: which procedure to choose?

Magnetic resonance imaging is based on the phenomenon of nuclear magnetic resonance, which occurs when exposed to atomic nuclei (most often hydrogen) with a certain combination of electromagnetic pulses. After registration of the electromagnetic response of atoms, computer processing of the obtained parameters is performed and their subsequent transformation into a detailed image of the zone of interest.

Duplex scanning combines as many as two diagnostic methods: ultrasound diagnostics and dopplerography. During the procedure, an ultrasound examination of the target area is performed with a parallel analysis of the velocity parameters of blood flow.

When an MRI or duplex scan is shown

Both methods - MRI or duplex vascular scanning - allow you to diagnose a wide range of vascular pathologies. It is important to note that with the help of MRI scan, you can identify the pathological process at an early stage when any symptoms are mild or absent.

Indications for MRI of blood vessels are:

  • The presence of symptoms of vegetative dystonia;
  • Coronary heart disease;
  • Dizziness, tinnitus, frequent high-intensity headaches;
  • Suspected vascular stenosis, congenital anomalies, thrombosis of the cerebral veins and sinuses;
  • Assessment of the state of blood circulation.

Often, MR-diagnostics of the vascular system is performed after the preliminary injection of contrast, which significantly improves the visualization of the zone of interest.

Examination by duplex scanning is prescribed for the diagnosis of the following pathologies:

  • Obliterating endarteritis of the lower extremities;
  • Arteriovenous fistulas, vascular malformations or aneurysms;
  • Varicose veins;
  • Diabetic foot syndrome;
  • Lesions of cerebral vessels

Duplex scanning is used to assess the peripheral blood circulation, functional parameters of blood flow, vascular wall condition and patency. Duplex scanning, like MRI, is safe for health because it does not imply an ionizing effect or radiation load on the human body. In comparison with tomography, this manipulation is not associated with intravenous administration of contrast; it requires significantly less financial and time costs.

When determining whether you will undergo an MRI or a duplex scan, it is important to take into account contraindications to the examination and MRI scan discount. The duplex scanning method is practically devoid of them.

Contrast enhancement is excluded at any stage of pregnancy, with kidney damage, hematopoietic anemia, and individual intolerance to contrast. What to choose- MRI or duplex scanning- is decided by a specialist, based on anamnestic data and medical documentation provided.

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