CT scans are used to detect abnormalities of organs. in the body with x-rays by irradiating x-rays through the organ to be examined and then using a computer to process the image Which can create both images in different planes or can be displayed as different types of 3D images The indications of the examination are as follows:
The brain system, including computed tomography of the brain, pituitary gland, eyes, salivary glands and neck, etc. In this examination, a contrast medium must be injected into a vein. To help see the pathology of the disease more clearly.
Abdominal and thoracic system, including computed tomography of the abdomen and pelvic cavity. In examining this system, the staff may recommend that the patient drink a contrast medium/water. In some cases, a contrast medium/water catheter may be administered rectally to separate the colon from other tissues and, in female patients, a tampon may be required.
At the discretion of the radiologist, it is necessary to inject a contrast medium intravenously to separate the vagina from other tissues.
The musculoskeletal system, joints and spine, which is often used to diagnose tumors of the muscles, bones or inflammation of the joints. and anatomy of the spine which can provide a better diagnosis of bone disease general x-ray examination
Vascular system, including computed tomography of the cerebral vessels Coronary artery, aorta, renal artery and arteries in the legs, etc. In this examination, it is necessary to inject a contrast medium into the vein.
Abstain from food at least 4 -6 hours before the examination (can drink water)
Sign a consent form for the doctor to perform the examination and inject the contrast medium.
in pediatric patients who are unable to remain still The doctor may need to administer anesthesia or general anesthesia during the examination for accurate diagnosis results.
People with underlying diseases such as asthma, allergies, kidney disease, heart disease and diabetes Should notify the officer immediately. On the day of the examination, at least 1 relative should be present.
Change the clothes that the examination room has prepared for you. and remove jewelry from the area to be examined
In case of intra-abdominal examination Depending on the area to be examined, it may be necessary to drink approximately 1 liter of contrast medium or water provided by the staff before entering the examination room.
Women suspected of being pregnant must inform the staff before receiving the examination Because radiographic examination has an impact to the fetus
The staff will call the patient’s name-surname to enter the examination room in order of readiness for each type of examination and Arrange the patient’s posture to suit the type of examination. In case the patient performs an examination of the lower abdomen will receive a contrast catheterization Rectal about 300 cc.
Officer/radiologist will take the patient’s history repeatedly and give advice on how to act while examining Including clarifying information that patients need to know about the examination, such as the effect of intravenous contrast medium sensations that may occur while injecting
During the examination, a loud noise will be heard from the computed tomography machine. Patients should lie still and follow instructions. of radiologic technicians strictly
If there are abnormal symptoms such as chest tightness, difficulty breathing, itching, nausea and vomiting You must inform the staff or nurse immediately.
The patient can eat normally. and should drink at least 1-2 liters of water within 24 hours to help excrete the contrast medium quickly leave the body
After the examination, the patient was required to sit around the designated area for 15 minutes after the contrast medium was injected. to observe the symptoms if there are abnormal symptoms
Patients who come to check up on the doctor’s appointment date at various clinics do not need to come to the X-ray department, the examination results will be sent to the hospital’s computer system. In which the examiner can view the examination results and x-ray images through the system. computer in examination room Out-of-hospital examination results can be obtained by contacting the X-ray department.
People with a history of allergies, asthma, and a history of rashes after eating seafood. or having tightness, suffocation, and those with a history of allergy to contrast agents must inform the staff/nurse first
pregnant woman
Patients with kidney problems
Magnetic Resonance Imaging หรือ MRI is a tool to detect abnormalities in the body using a magnetic field machine and radio frequency creaaaaate high resolution images Helping doctors diagnose diseases more thoroughly The patient is not affected by radiation from X-rays such as MRI of the brain, MRI of the spine, etc.a
The MRI machine contains a magnet with hydrogen atoms. when the body is in the midst of a magnetic field The body has water molecules. The MRI machine sends radio signals. to stimulate the organs Cause resonance (Resonance) according to the principles of physics. When the radio has stopped transmitting The body then releases hydrogen atoms. into the input device. come out as an image signal on the screen
Brain MRI can be examined by all sexes and ages, even if there are no brain symptoms. by examining the brain And cerebral blood vessels If there is a headache, memory loss, dizziness, vomiting, double vision, an MRI examination of the brain should be performed.
Abdominal and pelvic MRI It can be examined by all sexes, ages, or pregnant women. Detect tumors, liver cancer, stones, abnormalities of the uterus and prostate
Spinal MRI can detect If you have back pain Limb weakness, urinary incontinence can’t defecate or people who have had an accident Regarding herniated discs, MRI examination of the spine should be performed. for the doctor to plan the treatment
MRI of muscles, ligaments, and joints can detect muscle, bone, or cartilage tearing. Make a treatment plan Water in the knee, elbow or knuckle
Vein MRI can examine the veins. and red blood vessels to look for circulatory disorders
when the patient lies on the bed The staff will position the sleeping position. and attaching bands to prevent the patient from moving
Install an ECG machine. on the left side of the chest and attach a breathalyzer to the abdomen
During the examination, the staff will periodically inform the patient to hold their breath for no more than 20 seconds.
Patients receiving contrast medium will have blood tests for kidney function before an MRI scan, after which the contrast medium will be injected into a vein.
If it is an MRI examination of the abdomen and pelvis, it is necessary to abstain from water and food for 4-6 hours, and other MRI examinations do not need to be abstained.
Patients must wear a hospital uniform, no make-up, and no metal jewelry such as wristwatches, rings, necklaces during the examination, as it will make the scanned image unclear.
Patients with claustrophobia Your doctor may give you anesthesia before the examination.
The examination takes 45 minutes – 3 hours, depending on the case.
After checking The doctor will make a diagnosis based on pictures of the patient’s internal organs. and inform the patient
MRI is a magnetic resonance examination. Suitable for finding tissue in the body because it contains water that helps detect signals well. No radiation is used, the contrast agent used is Gadolinnium, which does not affect liver and kidney function.
CT SCAN uses X-rays. in x-ray suitable for bone examination because it is the part without nourishment only take time to check 10-15 minutes The contrast agent used contains iodine, which is dangerous for patients with kidney disease.
MRI examination of patients with claustrophobia There will be staff to guide. relax and assess the patient’s condition before examination In some cases, relatives can be brought in to live. or if it is severe A doctor will give a sedative to a claustrophobia patient before an MRI scan.
MRI scans have many advantages. But in exchange for wasting time for longer inspections and higher prices compared to other examinations But the value of physical health is incomparable with the money and the little time wasted.
The frightened patient is in a narrow space. Unable to sleep in the examination tunnel (claustrophobic)
People with coronary artery stent insertion
Those preparing for surgery on the brain, eyes or ears, which will require implanting medical equipment.
Those wearing braces must first remove the braces. Including those suspected or engaged in metal related occupations. that there may be small pieces of metal splashed into the eye In addition to the metal will affect the clarity of the image. When iron is placed in a magnetic field, there may be movement of that metal, which can cause danger.
“MRI is a modern medical technology. But the visitor must follow the rules. And strictly follow the doctor’s advice. in order to get the most accurate and accurate results.”
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