MouthLab: Patients' vital signs are just a breath away

Engineers and physicians at the Johns Hopkins University School of Medicine have developed a hand-held, battery-powered device that quickly picks up vital signs from a patient's lips and fingertip. Updated versions of the prototype, called MouthLab, could replace the bulky, restrictive monitors now used to display patients' vital signs in hospitals and gather more data than is typically collected during a medical assessment in an ambulance, emergency room, doctor's office or patient's home.

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