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How Does a DEXA Scan Work?

The DEXA machine utilises a low-dose of x-ray to compute bone density measurements.

The DEXA machine sends a thin, invisible beam of low-dose x-ray with two distinct energy peaks through the bones. One peak is absorbed by the soft tissue, and the other peak by bone. 

Calculating the patient's bone mineral density involves subtracting the soft tissue amount from the total. 

The DEXA machines can also compute and display the bone density measurements on a computer monitor.

Please note that all medical articles featured on our website have been reviewed by qualified healthcare doctors. The articles are for general information only and are not medical opinions nor should the contents be used to replace the need for a personal consultation with a qualified medical professional on the reader's medical condition.

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