QRS


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QRS

A pattern seen in an electrocardiogram that indicates the pulses in a heart beat and their duration. Variations from a normal QRS pattern indicate heart disease.
Mentioned in: Bundle Branch Block
References in periodicals archive ?
When 2:1 AV block (with narrow QRS) is found in the same recording strip as an obvious Mobitz Type I AV block, Mobitz Type II AV block essentially is excluded as an interpretation because the coexistence of both types of block is extremely rare (Surawicz & Knilans, 2008).
The computational logic "adder" impact is observed at the processing element "filter" of the processor block "QRS detector."
Such a reduction in specificity was a consequence of the high number of false-positive results observed as a consequence of the presence of a high percentage (75%) of animals with QRS duration values higher than those used as normal standards.
Timothy Lebens, Vice President of Sales and Marketing at QRS said, “QRS has introduced three new medical devices in the last 30 days, a wonderful accomplishment from our team.
ECG lead aVR versus QRS interval in predicting seizures and arrhythmias in acute tricyclic antidepressant toxicity.
A study by Chappell AG(10) reports that 70% of cases showed right axis deviation of QRS complex (Beyond +90 degrees).
A recent work, making use of ECG biomarkers such as RR interval, QRS complex, and QT interval, showed that concomitant administration of trigonelline and sitagliptin produced a cardioprotective effect in contrast with monotherapy in diabetic rats [34].
QRS complex detection is the first and the most important step of ECG analysis.
For each patient, the RR and QT intervals were measured during atrial pacing and the RR, QRS, and QT intervals were measured during ventricular pacing.