title: MouthLab: A Tricorder Concept Optimized for Rapid Medical Assessment.
abstract: The goal of rapid medical assessment (RMA) is to estimate the general health of a patient during an emergency room or a doctor's office visit, or even while the patient is at home. Currently the devices used during RMA are typically "all-in-one" vital signs monitors. They require time, effort and expertise to attach various sensors to the body. A device optimized for RMA should instead require little effort or expertise to operate and be able to rapidly obtain and consolidate as much information as possible. MouthLab is a battery powered hand-held device intended to acquire and evaluate many measurements such as non-invasive blood sugar, saliva and respiratory biochemistry. Our initial prototype acquires standard vital signs: pulse rate (PR), breathing rate (BR), temperature (T), blood oxygen saturation (SpO2), blood pressure (BP), and a three-lead electrocardiogram. In our clinical study we tested the device performance against the measurements obtained with a standard patient monitor. 52 people participated in the study. The measurement errors were as follows: PR: -1.7 ± 3.5 BPM, BR: 0.4 ± 2.4 BPM, T: -0.4 ± 1.24 °F, SpO2: -0.6 ± 1.7%. BP systolic: -1.8 ± 12 mmHg, BP diastolic: 0.6 ± 8 mmHg. We have shown that RMA can be easily performed non-invasively by patients with no prior training.
authors.affiliation: Department of Otolaryngology Head and Neck Surgery, Johns Hopkins University, Ross Bldg. 833, 720 Rutland Ave, Baltimore, MD, 21205, USA, gfridma1@jhmi.edu.
authors.forename: Gene Y
authors.initials: GY
authors.lastname: Fridman
authors.forename: Hai
authors.initials: H
authors.lastname: Tang
authors.forename: David
authors.initials: D
authors.lastname: Feller-Kopman
authors.forename: Yang
authors.initials: Y
authors.lastname: Hong
mesh_terms: D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008991:Monitoring, Physiologic / Q000295:instrumentation* / Q000379:methods*; D010092:Oximetry; D015656:Respiratory Mechanics; D012984:Software; D055986:Vital Signs