We've got 46 definitions for QRS »
What does QRS stand for?
What does QRS mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: QRS.
Term | Definition | Rating |
---|---|---|
QRS | Quantitative Restrictions | |
QRS | Quick Response System Medical » Laboratory -- and more... | |
QRS | Quasi-Random Signal | |
QRS | Quick Release System | |
QRS | Quantronic Resonance System | |
QRS | Quick Response Service | |
QRS | Shall I send more slowly? | |
QRS | Equation Editor support file (WordPerfect for Win) | |
QRS | Quality Review System | |
QRS | Quick Response Squad | |
QRS | Quantitative Risk Specialist | |
QRS | Quattro Rocket Science | |
QRS | Quality Real Service | |
QRS | Quiet Resource Study | |
QRS | Quick Reference Subject | |
QRS | Quality Reporting Service | |
QRS | Quality Realty Services | |
QRS | Quality Rating System | |
QRS | QuickTest Recovery Scenario | |
QRS | Quick Release Spool | |
QRS | Quiet Rotary Screw | |
QRS | Quick Response Services | |
QRS | Quick Reference Sheets | |
QRS | Send More Slowly | |
QRS | Quick Reaction Sortie | |
QRS | Quick Race Series | |
QRS | Quartz Rate Sensors | |
QRS | Quality Reliability and Service | |
QRS | QHSE Registration System | |
QRS | Qualification Recognition Services | |
QRS | Qualified REIT Subsidiary | |
QRS | Quality Rating Systems | |
QRS | Questionnaires Ratings and Scales | |
QRS | Quality Reporting System | |
QRS | Quality Retail Systems | |
QRS | Quantitative Reasoning and Skills | |
QRS | quantitative restrictions Source | |
QRS | Quantron Resonance System | |
QRS | Quartz Rate Sensor | |
QRS | Quasi Random Signal | |
QRS | Quality Relaibility And Services | |
QRS | Quick-Reaction Sortie | |
QRS | Quick Reaction Strike | |
QRS | Quadralink Rear Suspension | |
QRS | Qos Routing Simulator | |
QRS | Send More Slowly (not an acronym) |
What does QRS mean?
- 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." Abbreviations.com. STANDS4 LLC, 2024. Web. 4 May 2024. <https://www.abbreviations.com/QRS>.
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