This 26 in. x 36 in. versatile poster displays the coronary circulation of the heart and all the components of the cardiac electrical system. In addition, it displays 41 different 6-second cardiac rhythms with a brief explanation under each strip. With its special coating and vinyl tape material, the poster can be marked on with dry-erase markers and wiped clean to use again and again. These features make it the ultimate teaching tool for both instructors and students. While quantities last.