In general, a resting heart rate over 100 beats per minute is accepted as tachycardia in adults. Heart rates above the resting rate may be normal (such as with exercise) or abnormal (such as with ...

Sinus tachycardia is recognized on an ECG with a normal upright P wave in lead II preceding every QRS complex. This indicates that the pacemaker is coming from the sinus node and not elsewhere in ...

Sinus tachycardia is indicated on ECG with a normal upright P wave in lead II preceding every QRS complex (indicating that the pacemaker is coming from the sinus node and not elsewhere in the ...

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

Atrial arrhythmias include sinus tachycardia, inappropriate sinus tachycardia, AT, sinus node reentrant tachycardia, AFL, AF, and multifocal AT. AV tachyarrhythmias consist of AVNRT, AVRT ...

A 59-year-old female patient presented with “suspected ventricular tachycardia” on the basis of “abnormalities in ... and a heart rate of 86/min in sinus rhythm. A more detailed history ...

There are three primary types of tachycardia: Each form of tachycardia can cause different symptoms. Most people with sinus tachycardia have little to no symptoms, but some experience heart ...