Ecg Transparent 7-Step Ruler Portable Ruler Card for Interpreting Ecg Ecg/Ekg Reference Guide Evaluation Tool Straight Caliper

Ecg Transparent 7-step Ruler Portable Ruler Card For Interpreting Ecg Ecg/ekg Reference Guide Evaluation Tool Straight Caliper

Size: 8.5 * 5.4cm

1.Heart rate - This will provide a fast but approximate heart rate.

2. Rhythm - Assess whether your heart rate is normal or irregular

3. Axis - Quick reference of normal, left or right axis deviations. The up arrow indicates positive deflection, and the down arrow indicates negative deflection.

4. PR interval - This gives you a reference to the PRI range in milliseconds. On the right, there is also a block that measures PRI.

5. QRS interval - As mentioned above, the range of QRS & QTc is in milliseconds, you can also measure the QRS interval in blocks.

6. ST elevation/Dip - Place the straight topline along the iso-wire to assess if there is an ST elevation or dip, and a ruler so that you can measure the degree in millimeters.

7. T-wave - Finally, a quick reference to potential T-wave anomalies. The lead view of the heart is referenced in the upper right corner, which is useful in identifying areas of myocardial infarction. Remember :V1-V4= anterior MI and V3-V6= anterolateral M

Q: Do you support drop shipping?

A: 1. For wholesale customers, we offers you wholesale price and Free Express Shipping (eg DHL, EMS, Fedex ...) which delivery time is around 3-7 days (except remote areas).

2.we ship the products directly to their customers and will not put our information on the package.

Q: How to choose the right size?

A: Please refer to our size chart. As there are certain differences in the size of each country, if you don’t know how to choose, please contact us. (Note: Please allow a measurement diffierent of 1-3 cm)

Comments

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Due to different monitor and brightness, the real color of item that you receive maybe slightly different from the pictures. And a slight error of size is caused by manual measurement.

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