ECG And Respiration Neonatal Monitor

In this work, the motivation and design steps for the implementation of a microprocessor based stand alone neonatal monitor are described. Signals monitorized are heart rate, respiration, and body temperature. The monitor is divided into four basic sections: the respiration, where measurement of the transthoraxic impedance is performed and analyzed; the ECG, where the signal is amplified and processed to obtain QRS pulses; t he thermometric, where body temperature is measured using an oral or rectal thermistor; and, the processing section where h eart and respiration rates are calculated, alarm conditions are detected (apnea, bradycardia and tachycardia), information is displayed and user interaction is handled. Among other features are auxiliary analog output for transtelephonic transmission and RS-232 output for interconnection