The diagnosis is normal sinus rhythm, WPW pattern, PACs in bigeminal pattern, and pseudo inferior wall infarction. The rhythm is irregular and there is a pattern of group beating (ie, two QRS ...

Sinus tachycardia refers to a faster-than-usual heart rhythm. It may occur with exercise, anxiety, or stress, but it can also signal an underlying health condition. Your heart has a natural pacemaker ...

Sinus rhythm is the term for the regular pattern of heartbeats driven by the heart’s natural pacemaker, the sinus node. Variations like sinus tachycardia (fast heart rate) and sinus bradycardia (slow ...

In the last few weeks, the Skeptical Cardiologist has had a run on with patients with premature atrial contractions (PACs). I've discussed in detail premature ventricular contractions (PVCs) here and ...

The rhythm is irregular, but the long intervals are the same (↔) and the short intervals (┌┐) are the same. One premature QRS complex (↑) is observed. Therefore, the rhythm is regularly irregular. The ...

A sinus arrhythmia refers to a problem with the sinus node of the heart. This controls the rhythm of the heart and can be fast (sinus tachycardia) or slow (sinus bradycardia). This article looks at ...

Tachycardia describes when the heart beats faster than normal. Sinus rhythm with tachycardia occurs when the sinus node fires electrical impulses abnormally quickly. Inappropriate sinus tachycardia ...

Please provide your email address to receive an email when new articles are posted on . A novel SK ion channel inhibitor more often converted atrial fibrillation to sinus rhythm compared with placebo.

The double-blind Sotalol Amiodarone Atrial Fibrillation Efficacy Trial (SAFE-T) was established to compare the efficacy of sotalol and amiodarone in restoring and maintaining sinus rhythm in patients ...

Vernakalant, a new drug for treating recent-onset atrial fibrillation, has proved to be considerably more effective than Ibutilide, an established drug in this indication. It was able to normalize ...