DigitalDame writes "At-risk patients will soon have a little help from a device worn on the wrist that can measure vital signs including pulse rate, cardiac rhythm (ECG or EKG), and blood oxygen levels. It can either store the data and transmit it to a medical center at a later time or, in the case of an emergency, transmit the information in real time using the built-in cellular phone while sending an alarm to a caregiver."
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