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7 Step Ruler Interpretation Measurement Tool Transparent Caliper housing

<ul><li>[COMPREHENSIVE 7 STEP INTERPRETATION TOOL] This transparent caliper features clear ID size cards designed for a thorough 7 step interpretation measurement, making it easy to store and access in your card holder.</li><li>[STEP BY STEP TRACKING] The ruler includes essential landmarks for tracking heartbeat, rhythm, axis deviation, and intervals, you can remember key points effectively.</li><li>[PRECISION MEASUREMENT] With dedicated blocks for measuring PR and QRS intervals in milliseconds, this tool provides accurate references to enhance your assessments.</li><li>[ELEVATION/DEPRESSION ASSESSMENT] Easily determine ST elevation or depression with the integrated ruler that measures degrees in millimeters along the isoelectric line.</li><li>[SIZING REMINDER] Please refer to the provided sizing guide instead of Amazon's sizing chart for accurate measurements.</li></ul>

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Features:1: Clear ID size cards for easy interpretation, perfect size to fit in your card holder for easy storage and access, designed for the 7 step interpretation measurement.7 step scale assessment tool. Step by step tracking process and landmarks to help remember those hard to remember key points!1. Heartbeat: This will provide a quick but approximate value.2. Rhythm: Assess if the beat is regular or irregular.3. Axis: A quick reference to deviation from normal, left axis or right axis. An arrow pointing up indicates a positive deviation and an arrow pointing down indicates a negative deviation.4. PR Interval: This gives you a reference for the PRI range in milliseconds. There is also a block on the right side where you can measure the PRI.5. QRS Interval: As shown above, it gives you the QRS and QTc ranges in milliseconds, and you can use these blocks again to measure the QRS interval.6.ST Elevation/Depression: Place the posterior straight along the isoelectric line to assess if it is ST elevation or ST depression. There is a ruler to measure the degree of both in millimeters.7. T wave: Finally, a quick reference to possible T wave abnormalities. Remember: V1-V4= anterior septal for MI, V3-V6= anterolateral for MI.Specifications:Part Name: 7-step rulerMaterial: PlasticSize: As shown in the pictureColor: TransparentDifference: A: 7-step ruler alone, B: 7-step ruler [with card holder]Package Contents:A: 1*7-step rulerB: 2*7-step rulerC:1*Storage BoxNote:1. The actual color of the product may be slightly different from the picture shown on the website, which is caused by many factors such as monitor brightness and light brightness.2. Please allow the data for slight manual measurement deviation.