What does Minnesota code mean?

Minnesota coding is a coding mode set by Minnesota State University for ECG diagnosis. Different codes correspond to different heartbeat situations. For example, 9-4- 1 is sinus rhythm. This is a very professional ECG diagnosis method, and it seems that not many experts in China are used to using Minnesota code for diagnosis. Coleman system. I guess you mean the ECG workstation system CM 1200D developed by Shenzhen Coleman Medical Equipment Co., Ltd., which is a computer-based system with acquisition boxes and leads to realize ECG diagnosis. This is an electrical safety standard. AAMI standard is Medical Device Promotion Association. EF and PSI should also be standards or something ... I don't know.