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The Magnetic Resonance Imaging And Its Development

Although the lack of vocalization when speaking or partial paralysis can simply be signs of an attack or a migraine, they can also be symptoms of a stroke. Cerebral infarctions are the third leading cause of death in the United States and one of the leading causes of severe disability.

More than 3 million people who have survived a stroke have become unable to work or take care of themselves. For this reason, when a patient enters an emergency room with these symptoms, doctors must make a crucial diagnosis without losing a second. Although the number is still small, there are more and more hospitals that can perform ultrasound MRI of the patient's brain using a technique called functional magnetic resonance.

In just a few minutes, the scanner reveals not only if the patient has suffered a stroke but also which part of the brain is at risk. The urgency of this diagnosis should not be underestimated. As one neurologist once said, "Time is brain. The earlier the diagnosis is made and treatment begin, the greater the part of the brain that can be saved."

This tool for the diagnosis of cerebral infarctions represents the first important clinical application of functional magnetic resonance imaging. Since the early 1990s, functional magnetic resonance imaging has helped neurology researchers learn more about brain functioning, as it allows them to observe the changes that occur in the chemical composition of different areas, as well as changes that occur in the circulation of fluids in a matter of seconds or minutes. Functional magnetic resonance imaging can also be used to better understand the physiology of other organs.

Conventional magnetic resonance imaging by MRI test labs in Delhi which provides detailed images of the anatomical structure, also plays an essential role in observing other parts of the body. It allows to detect symptoms of arterial sclerosis in the heart, as well as herniated discs, broken cartilage and tumors in the spine, bones, and joints. In all these cases, magnetic resonance imaging is performed without the need for painful interventions.

The basic investigations that led to magnetic resonance and functional magnetic resonance began in a series of physics laboratories in the first decades of the 19th century. This article describes the path, often tortuous, that has been traveled during the last 70 years from the work of a series of scientists who simply investigated the nature of matter to current applications that ultimately save many lives.

The images of the human brain obtained by functional magnetic resonance represent the most recent advance in a field that was born just 20 years ago. Currently, scientists use functional magnetic resonance imaging to study the changes that occur in the brain activity of patients who have suffered a stroke and who begin to recover lost skills, with the aim of developing more effective treatments and therapies.

The functional magnetic resonance imaging allows investigating the development of the neural networks of the motor, visual, auditory, and speech systems of a baby when listening to the voice of his mother. MRI done by MRI scan center in New Delhi can also help to understand the subtle abnormalities in the activation of the brain in children with problems of lack of attention due to hyperactivity and memory problems of patients with schizophrenia.

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.

Lumbar Facet Syndrome: Things To Know About This Common Back Pain

Lumbar facet syndrome is commonly encountered spinal joint pain in terms of location in the spine. The lower lumbar vertebrae virtually universally experience degeneration in the facet joints, possibly causing the patient to endure the typical minor aches and pains of aging. However, it should be known that severe pain due to facet joint changes is extremely rare and is not a normal part of spinal aging for most people.

Lumbar facet joint pain's diagnosis is often a tough job for the MRI scan center in Delhi as most patients who are labeled with the condition do not show symptoms or verified evidence of any spinal pathology. Furthermore, the patients may state the symptoms which may not be logical in medical when considering a facet syndrome diagnosis. There are important points to consider when evaluating a diagnosis of facet joint pain in the lower back region.

What is the cause of lumbar facet syndrome?

Like mentioned in the discussion above, degeneration of the lumbar facet joints is basically a universal condition among adults meaning it can affect people regardless of what their race of body composition is. When the body enters the old age, it is pretty common an occurrence that the facet joints will demonstrate minor to moderate arthritic changes. It is in this period that the deterioration of the synovial capsules surrounding these joints is possible. The prime reason for this degeneration is due to the frequent bending and flexing of the lumbar spine necessary to live a typical life. It should be noted that lumbar facet joint degeneration is not inherently painful. There are only rare cases which can produce any significant symptoms whatsoever.

When facet joint deterioration shows the traditional pathological symptomatic conditions, it is diagnosed as facet joint syndrome. The primary causes of painful facet joints include problematic osteophytes which interfere with normal joint movement, combined with the generally increased interactions between vertebral bones due to a wearing away of the protective cartilage and lubricating fluid in the joint. Facet joint pathology does not have major branch of study or diagnosis but it can become more severe in some of the uncommon instances.

Some lumbar facet symptoms

Lumbar facet symptoms are pain being experienced only upon mobilizing affected joints. The pain is also restricted to the highly specific ranges of motion and particular movements. The symptoms or rather the point of pain for lumbar face should be located directly on the spine. They should be localized and not radiating or far-ranging in virtually every case profile. The most common location by far is between L4 and L5, as well as between L5 and S1. This is the region that suffers the earliest, most significant and most common degeneration in the human vertebral column.

For the treatment of these symptoms, there are typically drug therapies which are effective in most of the cases. The other alternative is injection therapy which addresses the direct risks to the spinal anatomy, such as infection and spinal fluid leaks. They also spare the systemic effects of oral route drugs. Few patients also find relief in joint manipulation by a chiropractic practitioner.

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.
IUD and Magnetic Resonance

Magnetic resonance imaging (MRI) is a test that is done on a large device that uses a magnetic field and energy pulses of radio waves to make pictures of the organs and structures inside the abdomen. In many cases, MRI test in east Delhi provides information about body structures that cannot be seen as well with an x-ray, ultrasound or computed tomography (CT) scan.

To start with, it is worth recalling that an IUD is an intrauterine device made of T-shaped plastic that is usually covered with copper. The IUS is a device, similar to the IUD, adding the function of releasing hormones containing levonorgestrel to prevent pregnancy. The IUD / IUS must be implanted inside the woman's uterus through the vagina, is a fast and straightforward procedure. It is the most frequently used reversible contraceptive method in the world.

Most IUDs are composed of plastic with copper wire or fixed with copper strips, while some also have a central core of silver to prevent the fragmentation of copper, and even some minimal part composed of stainless steel. Tests performed, evaluating the interactions of the magnetic field and the heating of the IUD in 3.0 Tesla’s equipment indicate that these objects are safe for patients, not suffering any displacement, artifact or heating.

The IUD is made from non-metallic materials that include polyethylene, barium sulfate (i.e., which makes it opaque to radiation), and silicone. Therefore, it is safe for patients undergoing MRI tests in all intensities of static magnetic fields.

All the publications, reports, studies and articles used for the publication of this entry show that the performance of Magnetic Resonance tests in women carrying an IUD / IUS is safe. There is no risk of movement or displacement of the IUD if a woman with an IUD undergoes an MRI.

However, it is recommended by MRI scan centers in East Delhi that, before performing the MRI, the technician is informed that he/she will perform the test of being an IUD carrier.

If you are interested in whether it is possible to do an MRI with crowns, you need to understand that mainly inert metals are used in dentistry. They do not respond to a magnetic field. Is it possible to do MRI with crowns, if you plan to examine the spine or joints of the arms and legs, pelvis, abdomen? Of course, yes, in this case, the metal will not be affected.

If the crowns are made of gold, copper alloys or steel with gold plating, the images are obtained with certain interference. Therefore, if the patient was engaged in the installation a long time ago when these materials were the most popular, the answer to the question “Is it possible to do MRI with crowns?” Is an answer, but the quality of the images may be poor.

What Happens in MRI Scan

MRI stands for magnetic resonance imaging scan. It is one of the painless medical tests that last for 15 to 90 minutes depending upon the area to be scanned and the number of pictures required to be taken. The MRI Scan is used to detect brain tumors, traumatic brain injury, stroke, multiple sclerosis, infection and causes for a headache. MRI Scan gives a clearer picture of internal organs than a CT scan which involves X-Rays. In MRI Scan radio and magnetic waves used to get the report. Let's look at the complete procedure in details and know the prevention and precautions while going for MRI Scan.

What to do before the MRI Scan?

On the day of the MRI Scan, you can take regular medication as prescribed by the physician. You can eat and drink as you do on other regular days. Sometimes you will be directed not to eat or drink anything at least four hours before the test. In some cases, you are asked to drink plenty of water before the test.

Precautions to be taken while going for MRI Test:

The MRI Scan machine uses a large magnet and radio waves. It creates a large magnetic field hence you need to remove all metal ornaments from your body such as the metal watch, jewelry etc. But you can wear gold because it is not attracted by a magnet.

You are advised to wear a hospital gown during the test.

Contrast Dye: The injection of contrast dye is used in a few cases where doctors need a clearer picture of tissues and blood vessels. A few patients can experience a few side effects of it such as headaches, skin rashes, feeling sick, and dizziness. However, a person appearing for the scan do not need to worry as these side effects doesn't remain for a longer period.

Anesthesia or Sedative: You don't need to go for anesthesia or any painkilling medication as MRI Scan is a painless procedure. MRI test Cost depends on the size of the area, the number of pictures to be taken and on other factors such as sedative etc. You are required to come with an attendant to bring you home as after sedative you are not allowed to drive for the next 24 hours.

Kids and children need to undergo general anesthesia because you have to stay still during a test which kids or children cannot follow.

What happens during the MRI Scan?

It is a cylindrical machine open up from both ends. The patients need to lie still on the moving bed. The bed will enter into the scanner with your head first or feet first depends upon the part of the body need to be scanned.  The MRI machine is controlled by a computer kept in another room to keep away the computer from the magnetic field. The radiographer runs the machine by sitting on the computer in a separate room but can talk and see you all the time via intercom and visuals. The person comes to assist you also need to follow the same guidelines as a patient do.

What happens after the MRI Scan?

Scanning can run for up to 15 to 90 minutes. After that, you will be asked to come out from the machine. The doctor and staff will initiate the outpatient procedures. You are not allowed to consume alcohol for the next 24 hours after the MRI test. The radiologist will send your report to the concerned doctor who will tell you the results.

MRI Scan Cost may vary from place to place. But you can avail the benefit of discounts offered by some labs and online portals.

Performing a CAT Scan for the Diagnosis of Sinusitis

Do you know what exactly sinusitis is? Its causes? And how can it be detected? In this post we answer these questions and much more, we begin!

What is sinusitis?

First of all, it is essential to know exactly what sinusitis consists of: inflammation of the paranasal sinuses caused by an infection of the nasal passages or the alveoli of the teeth, which usually produces nasal obstruction and severe headache.

Sinusitis can be caused by a fungus, a bacterium, a virus or by an allergy, and excess mucus and blockage of the paranasal openings make these bacteria and other microorganisms can reproduce more easily and quickly, and thus cause the appearance of sinusitis.

Causes of sinusitis:

Next we specify what the main causes of segregation of mucus and the tamponade of the paranasal sinuses are:

·        When the cilia (hair located inside the paranasal openings) do not manage to remove the mucus due to some condition.

·        A nasal bone spur, the deviated septum or the presence of nasal polyps that block the paranasal sinuses.

·        Allergies and colds cause excessive secretion of mucus, which can also block the paranasal sinuses.

CT SCAN: the best imaging modality for sinusitis

CT scan (Computerized Axial Tomography) is the safest way to study the head, as well as the most reliable and effective imaging technique to determine if the breasts are clogged, as a CT scan of the face produces images that also show the cavities of the patient's sinuses.

In addition, performing this imaging test can detect not only sinusitis but also congenital defects in the paranasal sinuses, infection in the paranasal sinus bones, injury to the face on the paranasal sinuses, masses and tumors or nasal polyps.

What are the benefits of a CT Scan Cost?

·        The tests by CT SCAN are fast and simple.

·        It is less sensitive to patient movement than MRI Scan Cost.

·        A CT can be performed even if the patient has implanted any type of medical device, which does not happen with a

·        CT imaging provides images in real time, providing a good tool to guide minimally invasive procedures.

·        A CT scan can eliminate the need for exploratory surgery and a surgical biopsy.

·        After the CT scan, no radiation remains in the body.

·        In general, X-rays used in CT scans do not have immediate side effects.

·        The CT images are accurate, they are not invasive and they do not cause pain either.

Further…

The use of the CT SCAN is also recommended for:

·        Cases where sinusitis has already been treated with one or two cycles of antibiotics.

·        When it is necessary to check the extent of the sinus condition to establish or not a surgical indication

·        When you want to rule out the possibility of having a foreign body in the nostril

·        In case of suspected rhinolith (mineralized nasal mass)

·        To rule out sinusitis and confirm another headache such as migraines

Answered in Detail: Your Frequently Asked Question on MRI Scans

This has been read, discussed, researched and yet people have been found (time and again) confused! Yes we are talking about MRI or Magnetic Resonance Imaging. Before detailed information about the MRI Scan Centre and the cost involved, we tell you what MRI is in a nutshell. MRI stands for Magnetic Resonance Imaging. It is a noninvasive diagnostic procedure that uses magnetic fields and radio waves to produce a clear and detailed digital image of the human anatomy. By conducting an MRI scan, physicians can detect and identify a number of medical conditions in their early stages and therefore increase the likelihood of recovery. Now it is time to answer some of the frequently asked questions:

1.      Is an MRI safe? Does it Discharge Radiation?

Yes, MRI scan is absolutely safe and it does not exude radiation. The magnet produces radiofrequency waves to scan the body part. Unlike CAT scans; this diagnostic imaging method does not involve any exposure to radiation. In fact, there are no known side effects related to MRI scans. However, because it does involve exposure to a strong magnetic field, patients with certain devices like pacemakers and other implants cannot get an MRI.

2.      What Causes the Noise in the Scanner?

There is nothing dangerous about the scanner making noise. It is basically the electrical current rising within the wires of the gradient magnet which produces a noise. This is because of the reason that the current in the wires are opposing the main magnet field; the stronger the field the louder the gradient noise.

3.      Can the Patient Talk While the MRI Scan is Going On?

You are required to stay still throughout the scan in the MRI Scan testbut you can still communicate with the technician as and when necessary. You may also ask any questions that you have regarding the procedure.

4.      Does it Make People Claustrophobic?

This is something that needs prior attention and information sharing with the MRI Scan center. If you are prone to claustrophobia, make sure to inform your physician about the same well in advance. There are two kinds of MRI machines: open MRI machines and closed MRI machines. The closed unit completely envelopes the patient during the scan, while the open MRI machine is a large ring that patients pass through. For patients who suffer from anxiety in closed spaces, the open MRI unit is ideal.

5.      Why is The Whole Body Put Under the Scan Even if The Scan is Only For The Head?

It is so because the area of the scanner that generates the images is located in the centre of the magnet. This is called the isocentre. Therefore, the scan is possible for your head only when the most of your upper body will be in the scanner. The same is applied when imaging the spine and upper extremities.

6.      How Long Does it take Before Getting the Scan Results?

On completion of the exams, the images are sent to one of the radiologists, (doctors specializing in the evaluation of diagnostic images.) Once read, the radiologist will create a report that will be sent to your referring physician. The entire process usually takes 24-48 hours.

Lastly, the MRI Scan cost is something that everyone is aware of or want an exact detail for. The cost of MRI depends on the body organ which is to be examined. For instance the cost for a MRI hand or Foot (Rt) with Contrast is INR 11500. Similarly MRI whole spine would cost INR 16000.

What is MRI or Magnetic ResonanIe Imaging?

The principle of MRI is based on the phenomenon of nuclear magnetic resonance. The organs are analyzed using a powerful magnet in which electromagnetic waves circulate. These high-frequency waves applied to a part of the body return a signal re-emitted by the hydrogen atoms contained in the organs. It is, thus, possible to determine the chemical composition and hence the nature of the tissues.

We obtain a 2D or 3D image of a part of the body. MRI does not irradiate, and it does not emit X-rays.

Magnetic resonance imaging is one of the modern and most informative diagnostic methods that enables specialists to accurately study the internal organs and systems of the human body. The study is widely used in the world in medical practice.

MRI is used to detect various abnormalities and acute illnesses. This non-invasive diagnostic method allows you to visualize in detail even deep tissue. The study makes it possible to obtain a layered image of internal organs. At the same time, the quality of tomography images is comparable to real photos of anatomical sections.

What is an MRI?

Magnetic resonance imaging is considered a safe method of investigation since it does not have radiation or ionizing radiation on the patient. Therefore it is harmless to the body. As the name suggests, this diagnostic method is based on the phenomenon of nuclear magnetic resonance.

To understand what an MRI scan discount is, you need to have an idea of how it works. The essence of the technique is that the nuclei of some atoms placed in a magnetic field can absorb electromagnetic pulses. In the future, they convert the energy into radio signals and, after the end of the pulse, radiate them.

Tomographs used in medicine work on the nuclei of hydrogen atoms that make up water molecules, of which the human body is 70%. The amount of fluid in different organs of the body is different, as a result of which during the scan the tissues radiate different signals. Thanks to this, the MRI device can accurately:

  • Visualize internal organs;
  • Distinguish healthy cells from pathological;
  • Identify any violations of the work of the bodies.

This is a unique method of diagnosis, which allows specialists to obtain high-quality images of virtually all structures of the human body. MRI-examination especially accurately and in detail visualize soft tissues, joints, and cartilages. An innovative technique enables physicians to make images of structures that are difficult to obtain by other methods of research. Such hard-to-reach tissues include those that are located near the bone structures, for example:

  • Intervertebral discs;
  • Spinal cord and brain;
  • Inner ear;
  • Pelvic organs;
  • Ligamentous apparatus.

However, images of structures containing a small amount of water are less accurate in perceptions. Therefore, for examination of the lungs or bones of the skeleton, magnetic resonance imaging is rarely used.

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