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QRS complex |
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QRS complex [¦kyü¦är′es ‚käm‚pleks] (medicine) The electrocardiographic deflection representing ventricular depolarization; the initial downward deflection is termed aQwave; the initial upward deflection, anRwave; and the downward deflection following theRwave, anSwave. Also known as ventricular depolarization complex. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The rhythmic waves corresponded to the patient's pulse and occurred after the appearance of each QRS complex on electrocardiography (ECG). The RETHINQ study is designed to evaluate the safety and efficacy of cardiac resynchronization therapy in patients with advanced heart failure (NYHA Class III), a narrow QRS complex (the electrical activity associated with the heart's ventricular contraction as seen on an electrocardiogram) and mechanical dyssynchrony (uncoordinated contraction of the lower chambers of the heart) who do not currently qualify for device therapy. 12 seconds; (4) nonsustained ventricular tachycardia (NSVT) was defined as 3 or more complexes at a rate greater than 120/min; and (5) I was simply unsure what point was being made about QRS complex direction. |
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