Sinus rhythm (a.k.a. normal sinus rhythm ... Sinus bradycardia occurs when the heart rate is less than 60 beats per minute and sinus tachycardia when the heart rates is greater than 100 beats ...

These lines are comprised of three main parts: In normal sinus rhythm, the P-P interval (the time between consecutive P waves ...

The rhythm is either sinus rhythm or not sinus rhythm. Sinus rhythm refers to the origination of the electrical activity coming from the sinus node — also known as the sinoatrial node, or SA node.

Many studies of patients with heart failure (HF ... CHF trial investigators found that the type of AF therapy (rhythm control versus rate control) had no effect on cardiovascular mortality.

Overall resource use was significantly lower in the rate-control group than ... AF and those with severe heart failure) might be better off with a sinus-rhythm strategy. Marshall DA et al.

The end point of the trial was mortality from all causes; the results of the study noted 356 deaths in the rhythm-control group and 310 deaths in those assigned to rate ... to be in sinus rhythm.

Exercise training-induced bradycardia may be due to electrical remodeling of the sinus node ... a pacemaker can regulate the heart's rhythm, speeding up the heart rate as needed." ...