Adopting the following lifestyle behaviors can help optimize your heart's functioning and prevent the development of a diseased heart or dangerous arrhythmias like heart block: Sinus arrhythmia is ...

Sinus arrhythmia refers to a changing sinus node rate with the respiratory cycle, on inspiration and expiration. This is quite common in young, healthy individuals and has no clinical significance.

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 ...

Amiodarone effectively maintains sinus rhythm in patients with atrial ... exclusively to patients with life-threatening ventricular arrhythmias, and this is still the official indication for ...

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

Sinus bradycardia, or a slow heart rate, can be a sign of cardiovascular health in healthy young adults and endurance athletes. It can also be a sign of an underlying condition requiring medical ...

In other words, it is a tendency of antiarrhythmic drugs to facilitate emergence of new arrhythmias. The term sinus arrhythmia refers to a normal phenomenon of mild acceleration and slowing of the ...

Ventricular scars are a major source of substrate for ventricular arrhythmias. Scars causing VT contain myocyte bundles separated by fibrosis, resulting in slow conduction and heterogeneous ...

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