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

【COD】All the listed products are supported by cash on delivery;【Shipment & Delivery】All the orders will be shipped out within 24 hours from Manila. Generally, it takes 1-2 days to arrive NCR and 2-5 days to arrive provinces.【Service】Timely warm reply and positive attitude ,quickly solve the problem for every customer【Warranty】We offer 3 months warranty for all of our products. Any quality problem happens during this period can be replaced or refunded.★Features★1.Heart rate - This will provide a fast but approximate heart rate.2. Rhythm - Assess whether your heart rate is normal or irregular3. 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★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 Included★7-step ruler or 7-step ruler [with card holder]Notes>>>Please choose the prefered color from the available variations and proceed to order based on the main picture(1st picture)...thank you.Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.If you have any doubt , please feel free to contact with us .