Vital signs sensor saves ER patients


One of the hazards of hospital emergency rooms is that patients can deteriorate without staff noticing. Now they can be given a device to monitor their vital signs. The Scalable Medical Alert Response Technology (SMART), developed by Dorothy Curtis and colleagues at the Massachusetts Institute of Technology, consists of an infrared blood oxygen sensor that clips onto a finger, and chest electrodes that monitor heartbeat. Both are attached to a PDA that sits in a belt pack and runs software that monitors their readings,
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