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ADOM Academy

CT SCANS IN CHILDREN VS. THE ELDERLY

Updated: Jan 11, 2023


The use of Computed Tomography (CT) scans is a medical practice that is important for identifying multiple medical issues, whether for diagnosis or for treatment. However, the same CT scan can have varied results when aimed at different age groups such as children and the elderly. It is integral to understand the differences between various age groups when interpreting results from a CT scan.


When medical professionals apply CT scans to children, there is an additional requirement for caution due to the fact that the child’s body is still developing. CT scans often require the use of radiation, which may worsen over time. Child patients can be exposed to higher levels of radiation than older patients while using CT scans. Also, the radiation dosage of the scan should be adjusted to the child’s size, since the smaller body of a child can absorb radiation in a different way. It is important to remember that any radiation exposure has a lasting impact, so CT scans should be done sparingly and without excessive radiation levels.


On the other hand, elderly patients are at risk of complications associated with aging such as decreased renal function. An improperly adjusted CT scan can create a risk of contrast nephropathy in older patients. Contrast nephropathy is an adverse reaction caused by the contrasting dye used in a CT scan. The dye can reduce renal function to the point that the patient experiences an acute kidney injury, needing dialysis or other treatments for recovery. A doctor must ensure that the elderly patient is not exposed to excessive contrast dye, and properly adjust the dosage for the elderly’s size and condition.


In conclusion, the differences between children and elderly patients must be taken into account when performing a CT scan. A doctor must consider the size and condition of the patient, and adjust the scan to fit those criteria. It is important to understand the risks involved with performing a CT scan on young, developing patients as well as elderly patients at risk of adverse reactions, in order to determine the best course of action for the patient.


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