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qrs
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Wikipedia
qrs
The QRS complex is the combination of three of the graphical deflections seen on a typical electrocardiogram (ECG or EKG). It is usually the central and most visually obvious part of the tracing. It corresponds to the depolarization of the right and left ventricles of the heart and contraction of the large ventricular muscles. In adults, the QRS complex normally lasts 80 to 100 ms; in children it may be shorter. The Q, R, and S waves occur in rapid succession, do not all appear in all leads, and reflect a single event and thus are usually considered together. A Q wave is any downward deflection immediately following the P wave. An R wave follows as an upward deflection, and the S wave is any downward deflection after the R wave. The T wave follows the S wave, and in some cases, an additional U wave follows the T wave. To measure the QRS interval start at the end of the PR interval (or beginning of the Q wave) to the end of the S wave. Normally this interval is 0.08 to 0.10 seconds. When the duration is longer it is considered a wide QRS complex.
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Qrs
Qrs is a business operation.
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QRS
What does QRS stand for? -- Explore the various meanings for the QRS acronym on the Abbreviations.com website.
Numerology
Chaldean Numerology
The numerical value of qrs in Chaldean Numerology is: 6
Pythagorean Numerology
The numerical value of qrs in Pythagorean Numerology is: 9
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Translations for qrs
From our Multilingual Translation Dictionary
- क्यूआरHindi
- QRSIndonesian
- QrsHebrew
- QRSTamil
- qrsTelugu
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"qrs." Definitions.net. STANDS4 LLC, 2024. Web. 19 Mar. 2024. <https://www.definitions.net/definition/qrs>.
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