This badge card serves as a 12-lead STEMI reference tool, featuring the conventional 12-lead arrangement and the neighboring leads linked to specific cardiac locations. Additionally, the reverse side displays a chart outlining ST changes and their correlation with particular coronary vessels. Furthermore, the tool incorporates a built-in ruler for measuring ST elevation and depression.

Important disclaimer:
This information serves as a guide and reference tool exclusively, complementing rather than replacing local hospital policies and procedures.