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Doctor insights on: Cat Scan Vs Xray

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Do i need to worry about sca with a normal cardiac workup( ekg, echo, stress, chest xray and CT scan)? Blood work overall normal, scared/high anxiety?!

Do i need to worry about sca with a normal cardiac workup( ekg, echo, stress, chest xray and CT scan)? Blood work overall normal, scared/high anxiety?!

Probably not: A sudden cardiac arrest (sca) is a rare phenomenon. It almost always occurs in patients who have cardiac disease: either electrical, mechanical, or related to a heart attack. It sounds as though all of your testing has been normal. This should provide some relief from your anxiety. ...Read more

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Dr. Michael Korona
1,756 doctors shared insights

Ct Scan (Definition)

Ct scan uses data from a beam of xrays and reconstructs a cross sectional image of your body. It is a high dose of xrays and used only when the benefits outweigh the risk. Cancer risk is 1 in 500 in children. Also using iodinated contrast might cause transient renal failure in about 5% of patients. (contrast induced nepropathy) most do not explain this to the patient as ...Read more


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Feel sitting on my croccyx since 14days, from cat scan &xray its fractured.when could I normally sit, drive & normally bent my back plz?

Feel sitting on my croccyx since 14days, from cat scan &xray its fractured.when could I normally sit, drive & normally bent my back plz?

Tincture of time: Fractures in any part of the body take time to heal up. The same could be expected from a coccyx fracture. My best advice would be to get a donut cushion, and lumbar support which should definitely help with your symptoms. We are talking about at least 3-4 month before fx heals up completely. Consider tylenol for pain. Also, if post menopausal consider bone density scan to r/o osteoporosis. ...Read more

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In december he had a chest xray for at that time, a single nodule observed. Cat scan now shows 2 benign nodules w/ 1 inflamed. What next?

In december he had a chest xray for at that time, a single nodule observed. Cat scan now shows 2 benign nodules w/ 1 inflamed. What next?

Discuss with doctor: Discuss the situation with your doctor. What to do next depends on the actual images on the ct and the opinion of the radiologist (a doctor specializing in image interpretation). Your doctor may need to talk to the rad. Sometimes the ct can clearly determine if the nodule is benign, but sometimes followup ct's are required. If there is an old ct to compare with, that would be extremely helpful. ...Read more

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Cramping sharp pain in chest when i move a certain way or bend, sometimes out of nowhere, pain level 10 dont last long normal xray EKG and cat scan?

Cramping sharp pain in chest when i move a certain way or bend, sometimes out of nowhere, pain level 10 dont last long normal xray EKG and cat scan?

Chest pain: Usually when you have pain that hurts when you move it is your muscles or bones in the chest wall that are causing the pain. However, there are many factors to consider about the best workup and how urgent you need the evaluation such as how long have you had it, how old you are and what other medical problems you have. If you are short of breath at all you should immediately seek medical care. ...Read more

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I had nothing on knee mri, but a loose fragment shoes on xray. Now doctor wants cat scan. Is this necessary prior to arthroscopy and why?

I had nothing on knee mri, but a loose fragment shoes on xray.  Now doctor wants cat scan. Is this necessary prior to arthroscopy and why?

See below: Xray and MRI are very different. A loose body seen on xray may not be visible on MRI if it's small and calcified and the radiologist reading the MRI did get to see the xray. It's also possible that the "loose body" on xray may not be an actual finding. Ct is recommended in this case probably to reconcile the differences as ct can see calcified loose body and the joint spaces fairly well. ...Read more

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In march i started getting short of breath had xray EKG cat scan ultra sound of heart now i have all symptoms of heart failure could they missed it ?

In march i started getting short of breath had xray EKG cat scan ultra sound of heart now i have all symptoms of heart failure could they missed it ?

Heart failure. : Heart failure usually occurs slowly but can be precipitous. Understanding what the etiology causing the failure helps to understand best routes to evaluate and teat it. Your heart failure could be easily missed especially at your age. Talk to your doctors to understand what happened in your case. Physicians practice to help patients and to ensure they understand what is going on. ...Read more

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Adominal pain like contractions for a month had xray cat scan no answers not ibs,kidney stones, bladder, or appedendix. Any suggestions ?

Adominal pain like contractions for a month had xray cat scan no answers not ibs,kidney stones, bladder, or appedendix. Any suggestions ?

Work with one Doc.: It is important you see one physician when trying to find the cause of abdominal pain. When the cause of your pain is not apparent on a CTscan and/or x-rays, you may need further testing such as an ultra sound and blood tests to check for things like gall stones, ulcers and gluten sensitivity. If that does not provide the answer, you may need a referral to a GI specialist for possible endoscopy. ...Read more

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I just had an angio pulmonary cat scan with contrast to rule out a pulmonary embolism. Can that detect lung cancer? Chest xray normal. 42 years old.

I just had an angio pulmonary cat scan with contrast to rule out a pulmonary embolism. Can that detect lung cancer? Chest xray normal. 42 years old.

Depends on size: Many patients who undergo a ct scan of the chest will have small or medium size nodules that are non-specific. A radiologist will document the size, and depending on the patients age and risk factors for developing lung cancer will recommend appropriate followup studies or sometimes even recommend a biopsy. We can suspect, but not diagnose lung cancer without a tissue diagnosis. ...Read more

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Can cat scan of chest and X-ray of chest have different results?

Can cat scan of chest and X-ray of chest have different results?

Yes: The chest xray is a regular xray and may not show everything that is present in the chest area. A ct scan has more cross sectional images with a higher resolution so that abnormal and normal findings can be viewed better. ...Read more

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Dr. Anthony Filly
1,393 doctors shared insights

Roentgen Rays (Definition)

Roentgen rays are another term for x-rays, which are a form of electromagnetic radiation (other types include light and microwaves). X-rays are used to provide imaging with plain ...Read more