Scientific 7-Step EKG Interpretation: Master EKG analysis effortlessly with our ruler's clear, step-by-step method, simplifying complex interpretations for quick and accurate results! Easy Heart Rate Measurement: Quickly assess heart health by checking PR interval, QRS complex, QT intervals, and ST elevation/depression on this handy reference card, ideal for monitoring cardiac conditions on the go! Portable ID-Sized Design: Carry this transparent EKG ruler discreetly in badge holders or pockets for instant access in workplaces, classrooms, or clinical environments, convenient and practical for busy professionals and students alike! Sturdy Construction: Built to last in demanding settings, our EKG ruler is crafted from durable, waterproof plastic material that ensures longevity and clarity even after repeated use, reliable for continuous learning and practice process! Versatile Learning Tool: Whether you're a healthcare professional or an EKG enthusiast, our 7 Step Ruler is a valuable asset for mastering EKG interpretation in various settings, making it an essential companion from classrooms to hospitals! Description: Introducing the EKG 7 step ruler, a scientifically designed tool based on the 7-step EKG interpretation method. This ruler provides clear and intuitive reference points, making it easier to remember key EKG analysis steps. With a step-by-step follow-through process, analyzing EKG results becomes quick and efficient. The easy-to-read reference card allows you to measure heart rate and identify abnormalities such as PR interval, QRS complex, QT intervals, and ST elevation/depression. The portable and transparent design of this ruler makes it convenient to carry in ID badge holders, pockets, or toolkits for quick access in various settings like workplaces, classrooms, or clinical environments. Crafted from durable and high-quality transparent plastic material, this EKG ruler is resistant to wear, waterproof, and easy to clean. Its longevity ensures clarity and functionality even in demanding environments. Ideal for both learning and practice, this ruler is a valuable tool for healthcare professionals and individuals looking to master EKG interpretation. Enhance your EKG education with the versatile EKG 7 step ruler, a reliable companion suitable for classrooms, hospitals, and any setting where accurate EKG analysis is essential. Item Name: 7 Step Ruler Material: Plastic Features: 7 Steps Design, Easy to Read, Portable Size Size Details: Ruler: 8.6cm x 5.4cm/3.39" x 2.13" (Approx.) Box: 9cm x 6cm/3.54" x 2.36" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2pcs: 2 x 7 Step Rulers 1 x Storage Box or 3pcs: 3 x 7 Step Rulers 1 x Storage Box