Specification Brand : RUOALL BulletPoint1 : ECG 7 Step Ruler: Designed with the scientific 7-step ECG interpretation method, it provides clear, intuitive reference points for those hard to remember key points with a step-by-step follow-through process! Helps to quickly analyze ECG BulletPoint2 : Portable And Transparent Design: Crafted in an ID-sized, transparent format, this family essential ecg ruler fits seamlessly into badge holders, pockets, or toolkits, ensuring quick access wherever you are—perfect for on-the-go use in workplaces, classrooms, or clinical settings BulletPoint3 : Easy To Read Reference: This reference card allows you to measure the heart rate, and see if the PR interval, QRS complex, QT intervals are out of the normal range and ST elevation/ depression, The EKG ruler will be an excellent addition to your ID badge BulletPoint4 : Durable And High-Quality Material: Made from sturdy, transparent PVC, this 7 step ruler for ecg/ ekg is resistant to wear, waterproof, and easy to clean, maintaining its clarity and functionality over long-term use in demanding environments BulletPoint5 : PERFECT FOR LEARNING AND PRACTICE: A must-have tool for ECG education and practice, suitable not only for healthcare professionals but also for anyone wanting to master ECG interpretation. Our ECG 7 Step Ruler is a reliable companion for every setting, from classrooms to hospitals. Color : Transparent ExternallyAssignedProductIdentifier1 : 0609917047445 ExternallyAssignedProductIdentifier2 : 609917047445 IncludedComponents : No ItemDisplayDimensions_Length : 12.2 centimeters ItemDisplayWeight : 0.53 pounds ItemName : ECG 7 Step Ruler, ECG 7 Step Ruler for ECG/EKG Interpretation, Transparent EKG Calipers Measuring Tool, Portable ECG Assessment Tool EKG Card (1Pc) ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 7 centimeters ItemTypeKeyword : digital-calipers Manufacturer : RUOALL Material : Plastic Material1 : Stainless Steel Material2 : Aluminum MaximumWeightRecommendation : 1 pounds MeasurementAccuracy : mm ModelName : Ftvoguec85kgydzwf ModelNumber : FTVOGUEc85kgydzwf NumberOfCompartments : 1 NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : eecchizi-1 ProductDescription : Specification: Name: ECG 7 Step Ruler for ECG/EKG Interpretation Material: Plastic Color: Transparent Size: 86mm x 54mm/3.38 inch x 2.12 inch Shape: Square (ID sized) Remember: V1-V4= Anteroseptal MI & V3-V6= Anterolateral MI