The same technology which helps the military see through rubble could help keep heart failure patients out of the hospital.
Ohio State University is among 30 centers testing a vest which uses radar to see through the chest, and track the amount of fluid in the lungs.
That's a problem which often puts patients in the hospital.
Patients put on the vest and connect to a tablet once a day.
After a 90-second reading, the device sends the results to a cardiologist.
"The goal here is to see when the lungs are trending towards being too wet, to make adjustments in the medication on an outpatient basis," Dr. William Abraham said.
In a small study, the vest cut heart failure re-admissions by 87 percent in the first three months of use.
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