Our easy-to-read patient fact sheet compares and contrasts sinus arrhythmia vs AFib (atrial fibrillation) symptoms.

We spoke to our expert Dr Liju A, MBBS, MD, General Medicine, DM Cardiology, Apollo Spectra Hospital, Chennai, who explained the basics of sinus arrhythmia and when it is normal and irregular.

Sick sinus syndrome (SSS) is when the sinus node causes abnormalities in the heart rhythm. This occurs when the sinus node scars and fibrous tissues replace it over time. There are several ...

The heart may beat too quickly, too slowly, too early, or with an irregular rhythm. In contrast, a “normal sinus rhythm” refers to how the heart beats when it is working properly. If they are ...

An abnormal heart rhythm, or arrhythmia (also referred to ... problems with the heart’s electrical signal, such as sick sinus ...

During ablation, a catheter is fed into the heart through the groin area using a minimally invasive approach and delivers ...

Types of bradyarrhythmia include: Sinus node dysfunction ... When the pacemaker picks up on an abnormal rhythm, it sends electrical pulses through your heart's chambers to coordinate the contractions.

It happens when your heart's natural pacemaker, the sinus node, no longer functions correctly. This results in abnormal heart rhythms. Sick sinus syndrome can be the result of many different things.

Atrial fibrillation is a common type of heart rhythm disorder where the heart doesn't beat efficiently. This makes the heart ...

Deep Learning of Electrocardiograms in Sinus Rhythm From US Veterans to Predict Atrial Fibrillation. JAMA Cardiology , 2023; DOI: 10.1001/jamacardio.2023.3701 Cite This Page : ...

Drugs like morphine can also cause abnormal sinus rhythms. An artificial pacemaker is a small device that has a pulse generator, including a small battery and a tiny circuit. Much like body's ...