Background Inappropriate sinus tachycardia (IST) is characterized by persistent and disproportional elevation of heart rate (HR). Ivabradine has been successfully used in some patients.

Not surprisingly, this literature overlaps considerably with that linking cocaine use with myocardial ischemia and infarction ... in slowing "tachycardia[s]" of approximately 150 bpm that ...

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This is thought to occur when cells surrounding the sinus node generate electrical impulses on their own. The condition, also known as repetitive monomorphic ventricular tachycardia (RMVT) is usually ...

When the sinus rhythm described above is in the normal range of 60-100 bpm, it's called normal sinus rhythm. Sinus tachycardia occurs when the rhythm originates from the sinus node, but the rate is ...

A decapolar catheter was positioned in the coronary sinus for atrial pacing and signal reference ... by the absence of PV potentials or PV-left atrium conduction; notably, no tachycardia was induced ...