The present invention relates to a method of verifying a patient's condition using a portable digital esophageal stethoscope system and he, in particular heart rate Portable digital esophageal stethoscope one to quantify the levels and the waveform relates to a system and method using the same patient status check. In such a system the present invention is a portable digital esophageal stethoscope, is inserted into the patient's esophagus, the heart sound signal and the detected temperature signal, detecting the heart rate and the breathing signal from the heart sound signal, which is obtained from the heart rate and breathing the breathing signal digital esophageal stethoscope to analyze the number of transmitting information in accordance with the observed cardiac specific communication scheme; And a portable digital system esophageal stethoscopes and portable digital esophageal stethoscope system observation information by receiving the heart including a portable terminal for displaying numbers, and then quantifying the number of body temperature, heart rate and breathing with any abnormal heart according to the particular communication system by providing a method of verifying a patient's condition.
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