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Sinus Rhythm in an Electrocardiogram ECG Diagram Keychain
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Aluminum Circle
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Sinus Rhythm in an Electrocardiogram ECG Diagram Keychain
Schematic diagram of normal sinus rhythm for a human heart as seen on ECG
Sinus rhythm is a term used in medicine to describe the normal beating of the heart, as measured by an electrocardiogram (ECG). It has certain generic features that serve as hallmarks for comparison with normal ECGs.
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4.6 out of 5 stars rating5.4K Total Reviews
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5.0 out of 5 stars rating
5 out of 5 stars ratingBy Ali Y.February 4, 2026 • Verified Purchase
Aluminum Circle, 2"
Lovely & cute keychains i love them thank you sooo much ,they also reached to me soo fast 😍.
5.0 out of 5 stars rating
5 out of 5 stars ratingBy Christina J.March 11, 2024 • Verified Purchase
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These are a durable metal and the colors are vibrant. One of the clasp came broken but received a new one quickly. Customer service was responsive and quick to resolve the issue. They are bigger than I thought but still work for my wedding. I am satisfied with the print quality and surprised at how vibrant the colors are.
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5 out of 5 stars ratingBy V.August 21, 2023 • Verified Purchase
Zazzle Reviewer Program
Beyond expectations. Choice of artwork is overwhelming, I found exactly what I needed from SJW_Graphics. Detail, colors, overall design looks great on this keyring. Could use as a pendant, purse charm, bookmark, too! Metal is sturdy without being heavy. Colors beautiful, with clear margins. Customized name makes this gift extra special. So many fonts, so many colors & sizes!
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Product ID: 146266941853588373
Created on: 7/18/2011, 7:07 AM
Rating: G