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Doctor insights on: X Ray Machine Uses

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Can "x rays films" go through airport scanners?

Yes: There is no problem as long as the film has been used to take x-rays. Unexposed film can't be scanned. ...Read more

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Ultrasound vs x ray, which is better/more efficient?

Ultrasound vs x ray, which is better/more efficient?

Depends: Ultrasound and x-rays are both used to "look" into the body for diagnosis. X-ray uses ionizing radiation which is safe in doses given for usual images, ultrasound uses high frequency sound. Each modality has its strengths and weaknesses depending on the part of the body being imaged or the disease process the doctor is looking for. ...Read more

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Had several x rays and CT scans this year . Maybe 7 cts and 14 x rays . Is this deadly?

Had several x rays and CT scans this year . Maybe 7 cts and 14 x rays . Is this deadly?

Not deadly: It's not deadly but you should make your doctors aware of all the radiation you've recieved. The bigger question is why so many cts? Are they all really necessary? ...Read more

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Heard about quality of the nomad handheld dental xray machine?

Heard about quality of the nomad handheld dental xray machine?

Excellent 3 years!!: I believe the the nomad was the first handheld fda approved "x-ray" device. I have used it for 3 years. It is convenient , potable, cost effective (one unit can be enough for an entire office) takes excellent pictures and incredibly safe (low radiation digital) to the patient and health care provider! ...Read more

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What heart scan is better, CT scanner or ultra scan?

What heart scan is better, CT scanner or ultra scan?

UltraSOUND: I think you mean cardiac ultrasound (also known as echocardiography). They look at different things. Echo sees over all function, wall thickness, chamber dimensions, valves, and can measure blood flow and pressure. Ct is for detecting calcium and looking at the coronary arteries. ...Read more

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Can a x ray show spinal cancer?

Can a x ray show spinal cancer?

Yes and no: The X-ray will show a mass on the bony spine , at times haze on the soft tissue on the spine and lesions eroding the spine. Al of these masses that can be seen on X-rays can be benign or malignant. Thus the X-ray will show the mass but can not prove it is cancer without a biopsy ...Read more

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Would a double contrast chest CT scan and a chest X-ray rule out fibrosis?

Would a double contrast chest CT scan and a chest X-ray rule out fibrosis?

Not the best test: A high resolution CT chest would be the best study to evaluate fibrotic lung disease. ...Read more

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Would you see an enlarged right heart on a chest CT scan without contrast and CT scan x ray?

Would you see an enlarged right heart on a chest CT scan without contrast and CT scan x ray?

Yes if greatly enlar: An enlarged heart can be seen on X-ray or CT scan especially if it is greatly enlarged. However, the cause for the enlargement is usually not apparent by those means. An echocardiogram (ultrasound) usually does a better job. sometimes more specialized tests are needed. However, if this is the 1st time that an enlarged heart was detected, it is best to get it confirmed & identify the cause. GL & TY ...Read more

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Radionucline bone scan process and use?

Radionucline  bone scan process and use?

Bone abnormalities: Bone scan involves intravenous injection of radio tracer usually technetium 99m mdp which accumulates in skeleton. Scan may involve early phase(5-10 min) and late phase(2-3 hr) imaging. Increased uptake is seen in fractures, tumors, infection, etc. Decreased activity is seen in metal artifacts, aggressive tumor/infection, & loss of blood supply to bones. Bone scan very sensitive but not specific. ...Read more

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Can chest x rays miss a lung infection?

Can chest x rays miss a lung infection?

Yes: Chest xray looks at the lung tissue superimposed on a the chest wall tissue including the ribs and all the muscles and thus can miss subtle findings. In addition, lung infection can be subtle, with presentation as a small focus of infection or a rather very faint infection area that can be very difficult to detect with xray alone. A ct study may be useful if necessary. ...Read more

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Which is dangerous. X ray or MRI for human?

Which is dangerous. X ray or MRI for human?

Moderation: Xray involves ionizing radiation which in moderation will not be dangerous. Multiple high dose studies like ct, pet ct, some nuclear scans in short intervals of time can lead to possible cancer. Mri uses magnetic fields and does not involve ionizing radiation and therefore is not usually harmful. The use of these forms of imaging depends on answer required to solve individual problem. ...Read more

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What is better CT scan or mir to further diagnose right superior mediastinum widening in the chest x ray?

CT scan: Mediastinum is best seen with a contrast enhanced ct scan. Mri is improving and could be used instead but i prefer ct scan. Right mediastinal widening could be due to a congenital anomaly such as right sided aortic arch. Have you reviewed this finding with your doctor? ...Read more

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Do nuclear scans expose a patient to more radiation than an X-ray or CT scan?

Do nuclear scans expose a patient to more radiation than an X-ray or CT scan?

Not usually: Depends on nuclear study. A lot of CT exams such as chest and abdomen have more radiation dose than most nuclear medicine studies. A bone scan is more dose than the CT of brain. In any event if study is necessary for diagnosis to help patient the dose becomes insignificant. ...Read more

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Is Full body PET scan or CT scan better for diagnosing Lymphoma? Which uses less radiation?

Is Full body PET scan or CT scan better for diagnosing Lymphoma? Which uses less radiation?

Both: The actual diagnosis of lymphoma requires tissue, usually excisional biopsy of an entire lymph node. Staging to see where other sites of disease could be is done with a combined PET/CT. The staging used to matter more many years ago when they would often give XRT or do surgery, it doesn't matter as much as it used to because almost everybody gets systemic chemotherapy for both Hodkins and non H ...Read more

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Wt does costophrenic angle mean in an x ray?

Wt does costophrenic angle mean in an x ray?

Rib-diaphragm: This refers to the area where the ribs (costo-) and the diaphragm (-phrenic) meet. Radiologists look at this areas because fluid can build up and obscure the angle. The term only describes a location. ...Read more