说明：  现代医学仪器原理,监护仪所监护的信号现在常有心电、血压、呼吸、体温（T）、心输出量、血氧浓度、呼气末二氧化碳等
(Principles of modern medical equipment, monitors the custody signal is often ECG, blood pressure, breathing, body temperature (T), cardiac output, blood oxygen concentration, end-tidal carbon dioxide and other)