A powerful addition for EKG measurement.

• Seconds scale
• Offers both one and two cycle scales
• Small enough to fit in a medical coat pocket
• Complete with protective sleeve

Quickly and easily determine rates from an EKG with this convenient tool. The seconds scale is readily used for PR, QRS, cycle, length, coupling, escape and parasystalic intervals. Easily protected and stored in a clear sleeve, don’t need to worry about spills or splashes.