Brand: Partners Sizes: 50 x 30, 80 x 20) Quantity: 1 Piece ONLY The paper is usually attached to an electrocardiograph machine, which amplifies and records these electrical signals. The device then displays them on a screen or printout for your doctor to review. An ECG paper can provide valuable information about your heart’s health and function and help your doctor diagnose problems such as arrhythmias, heart attacks, and other cardiac conditions. In some cases, it may also monitor your heart’s response to treatment.