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Why Is It Unsafe For Someone With A Pacemaker To Have An Mri Scan
Mri or magnetic resonance imaging is one of the more recently developed imaging modalities available to physicians. It uses powerful magnets to generate images. There is no ionizing radiation which is a major advantage over many other modalities. Mri is the best imaging exam that we have for most soft tissue and joint related problems. There are radiologists ...Read more
Arrhythmia: Pacemakers work by electrical impulses and are affected by strong electromagnetic fields. Mris work by strong electromagnetic fields, so having an MRI with an implanted pacer can be life-threatening. There is also a risk of heating of the wires when subjected to the MRI field. ...Read more
Yes: An MRI study can be performed on any area of the body with today's knee replacements. There should be no problems for most areas of the body. However, for the knee that has had this surgery, the metal will create artifacts and distortion of the images, and limit the evaluation. A scan of this knee may or may not be helpful, but you cannot tell without performing the scan. Discuss with your Doctor. ...Read moreSee 2 more doctor answers
Are mris or cat scans better for migraines? I have been having migraines for some time now and want to get it looked into, but i was wondering whether an MRI or a cat scan is better for that. Or is there an even better test to diagnose what is causing he
Use can vary: Most pts who suffer migraine and have normal neurological exams do not need MRI or cat, but of the two, the MRI is far better regarding brain details and resolution, and may show a small vascular malformation that the cat could miss. Sometimes, headaches are due to problems with venous sinuses and MRI also better. If looking for aneurysm, mra or ct angio approaches are best. ...Read moreSee 1 more doctor answer
What can MRI w/contrast tell you about a 1cm complex kidney cyst that an ultrasound can't? Is it worth the risk for child who would need sedation?
Much more: The MRI provides much more detail to help the nephrologist determine the correct diagnosis and then appropriate treatment plan (or lack of need for treatment due to benign). Yes, it is worth the risk of sedation. I would preface that statement with i would prefer the sedation in a childrens hospital. ...Read more
Yes: In general, a ct scan can be safely administered to diabetic and or elderly patients. However, if intravenous contrast is going to be administered, at a minimum kidney function should be evaluated, certain medications should be temporarily discontinued, and certain precautions should be taken. ...Read more
Sometimes: Not all radiographic testing is 100% diagnostic. Sometimes you need additional testing to see areas of the breast more clearly. I would discuss this with your physician if they fell that the ultrasound is necessary. If it was me, i would want everything possible to do a full evaluation. ...Read moreSee 2 more doctor answers
Is there a legitimate reason to order an X-ray for shoulder injury when an MRI has already been done?
Yes, if recommended: by a doctor for an abnormal heart rhythm then it may be deemed necessary to keep you from heart failure or worse. At your age of 74, I am guessing that the doctor is trying to keep you from having to take medicines for the rest of your life to control the rhythm, given that you are probably already on several other medicines. Good luck to you! ...Read more
I have to have an MRI of brain with gadolinium. I had a CT with contrast once which was a bad hot feeling. Is gadolinium easier to handle? And if est GFR is 83 ml/min should test kidney first?
Can a CT scan show if a male is able to have children if there had been an injury to the testicles?
A pacemaker is a device which sends electrical signals to the heart triggering heartbeats when needed. There are many ways to implant and configure a pacemaker; it may beat the top chambers (atria), lower chambers (ventricles) or both. Some systems stimulate both the left and right ventricles together. Pacemakers generally treat abnormally slow heart rhythms and certain ...Read more
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