The present invention provides a patch-type cardiac output signal monitoring device, comprising: an ultrasound sensor for sensing a signal； an ultrasound conduction patch attached to the ultrasound sensor, the ultrasound conduction patch located at between the ultrasonic sensor and the skin for conducting the signal； circuit means connected to the ultrasonic sensor for processing the signal to obtain a cardiac output signal, and then the circuit means outputs the heart Outputting a signal to a mobile terminal, and the circuit device providing a driving electrical signal for driving the ultrasonic sensor； a covering patch covering the ultrasonic sensor and the circuit device and attached to the skin. The invention replaces the large-scale ultrasonic machine in the past, the operation of the whole process is simple, and the purpose of monitoring at any time can be realized. The present invention also provides a method of monitoring a cardiac output signal using a patch-type cardiac output signal monitoring device.本發明提供一種貼片式心輸出訊號監測裝置，包括：超音波感測器，用來感測訊號；超音波傳導貼片，貼附於所述超音波感測器上，所述超音波傳導貼片位於所述超音波感測器與皮膚之間，用於傳導所述訊號；電路裝置，與所述超音波感測器連接，用來處理所述訊號，獲得心輸出訊號，然後所述電路裝置輸出所述心輸出訊號至一移動終端，並且所述電路裝置提供驅動所述超音波感測器的驅動電訊號；包覆貼片，包覆所述超音波感測器和所述電路裝置，並貼附在皮膚上。本發明取代以往大型超音波機台，整個過程操作簡單，並且可實現隨時監控的目的。本發明還提供一種利用貼片式心輸出訊號監測裝置監測心輸出訊號的方法。
