Getting a scan usually means a visit to a doctor and some giant equipment. What if that gear was wearable?
goes into a clinic for an ultrasound of their stomach, they lie down on crinkly paper atop an exam table. A clinician spreads a thick goo on their abdomen, then presses a small probe into it to send acoustic waves into the patient’s body. These waves bounce off their soft tissues and body fluids, returning to the probe to be translated into a 2D image. As the probe moves over the person’s stomach, a blurry black-and-white picture appears onscreen for the clinician to read.
Because ultrasound equipment is so large and requires an office visit, Zhao says, its imaging capabilities are often “short term, for a few seconds,” limiting the ability to see how an organ changes over time. For example, physicians might want to see how a patient’s lungs change after taking medication or exercising, something that is difficult to achieve within an office visit.
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