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Help
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
Customer service
All questions about your order, return and delivery must be sent to our customer service team by e-mail at yourstore@yourdomain.com
Sale & Press
If you are interested in selling our products, need more information about our brand or wish to make a collaboration, please contact us at press@yourdomain.com
Compiled from electrocardiographic data on more than 1,800 normal newborns, infants, children, and adolescents, this convenient reference gives you fast access to the limits of normality so that data from an individual patient can be quickly interpreted in terms of comparison to the general population.ECGs in the Child and Adolescent presents, by age:Heart Rate, PQRST interval and durationFrontal plane PQRST axisPQRST amplitudeCalculated values on RS amplitude and ventricular activation timeSave time and effort by keeping this authoritative guide close at hand.
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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