Sinus arrhythmia is a variation in the heart's sinus rhythm, usually caused by changes in a person's breathing cycle. It's a ...

Amiodarone effectively maintains sinus rhythm in patients with atrial fibrillation ... except for patients with substantial left ventricular hypertrophy or heart failure. This treatment approach ...

When the heart is functioning properly, it has a specific rhythm controlled by a mass of specialized heart tissue called the sinus node — usually about 60 to 100 beats a minute. When the heart beats ...

In fact, up to 60% of athletes demonstrate ECG changes (in isolation or in combination) such as sinus bradycardia, sinus arrhythmia, first-degree atrioventricular (AV) block, early repolarisation, ...

and prognostic tool [1] for acute and chronic heart failure. The purpose of this study was to clarify the relationship between successful restoration and maintenance of sinus rhythm (SR ...

What Is Inappropriate Sinus Tachycardia? Sinus tachycardia is when your body sends out electrical signals to make your heart beat faster. Hard exercise, anxiety, certain drugs, or a fever can ...

The program distinguished between echocardiograms showing a heart in sinus rhythm (a period of normal heart beating) and echocardiograms showing a heart in an irregular heart rhythm. The program ...

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Background Inappropriate sinus tachycardia (IST ... patients reported severe complaints assessed by means of European Heart Rhythm Association score. We did not observe severe side effects ...