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Medical Definition of R-on-T phenomenon
1. A premature ventricular (QRS) complex in the electrocardiogram interrupting the T wave of the preceding beat; often predisposes to serious ventricular arrhythmias. (05 Mar 2000)
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1. A premature ventricular (QRS) complex in the electrocardiogram interrupting the T wave of the preceding beat; often predisposes to serious ventricular arrhythmias. (05 Mar 2000)