- Seconds scale for PR, QRS, Cycle, Length, Coupling, Escape, and Parasystolic Intervals
- Measures just 1 11/16" x 6 3/8" small enough to fit in a medical coat pocket
- Complete with protective sleeve
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Actual product packaging and materials may contain more and different information than what is shown on our website. We recommend that you do not rely solely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. Please see our full disclaimer below.
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Most Helpful Customer Reviews
3 of 4 people found the following review helpful:
1.0 out of 5 stars
Beware,
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Amazon Verified Purchase(What's this?)
This review is from: EKG Small Ruler electrocardiograph Latex-Free (Health and Beauty)
This shows a picture of a caliper but it is really only for the flat ruler that you can barely see in the picture.
Kinda of deceptive
5.0 out of 5 stars
Useful,
By
Amazon Verified Purchase(What's this?)
This review is from: EKG Small Ruler electrocardiograph Latex-Free (Health and Beauty)
This is a great ruler for an EKG class that I've taken. It's also been really handy for other classes. Will also be using it in the work place.
5.0 out of 5 stars
Great ruler!,
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Amazon Verified Purchase(What's this?)
This review is from: EKG Small Ruler electrocardiograph Latex-Free (Health and Beauty)
I love love love the fact that it's see-through. You can hold it up to any strip & read it. No need for calipers. I only wish it had the norms marked on it. Someone loved mine so much, here I am replacing it.
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