abnormal functioning of the structure that regulates the heartbeat, causing episodes of abnormal heart rhythm
The failure of the sinus node to regulate the heart's rhythm.
A disorder in the heart's sinus node that affects how heartbeats are generated and how they are conducted. It usually causes a slow heart rate that may cause a person to faint. A related disorder is bradycardia-tachycardia syndrome, which involves alternating bouts of fast and slow rhythms.
Occurs when your heart beats slow, then fast, and then slow again.
SSS is not a specific disease, but a group of signs or symptoms that indicate the heart's natural electrical pacemaker, the sinoatrial node, is not functioning properly. In SSS, the heart rate can switch back and forth between a slow rate (bradycardia) and a fast rate (tachycardia). A permanent pacemaker, sometimes in combination with medication, is the primary treatment. SSS affects about 3 out of every 10,000 people. It becomes more common as we age.
A condition during which the sinus node (i.e. the natural intrinsic pacemaker of the heart), becomes dysfunctional, thus leading to the various cardiac arrhythmias.
A term used to describe abnormalities of the SA node, the heart's natural pacemaker. These abnormalities may result in slow, fast, and/or irregular heart rates or sinus arrest.
Symptoms of dizziness , confusion, fainting , and heart failure due to a problem with the sinus node of the heart, which acts as the body's natural pacemaker . If the sinus node is not functioning normally, it is reflected in an abnormally slow heart rate (bradycardia). This can cause poor pumping by the heart, which can impair the circulation. See the entire definition of Sick sinus syndrome
Failure of the sinus node to perform its normal function of regulating the heartbeat. It often results in periods of fast and slow heartbeats.
See sinus node dysfunction. Abbreviated SSS.
A rhythm disturbance characterized by disruptions in the generation of SA nodal impulses or conduction from the SA node. The SA node may be partially or totally destroyed via inflammatory and/or degenerative processes. EKG characteristics include sinus bradycardia, atrial fibrillation, supraventricular tachycardia (SVT), and sinus node arrest. Treatment usually requires a permanent pacemaker
Sick sinus syndrome, also called Bradycardia-tachycardia syndrome is a group of abnormal heartbeats (arrhythmias) presumably caused by a malfunction of the sinus node, the heart's "natural" pacemaker. Bradycardia-tachycardia syndrome is a variant of sick sinus syndrome where atrial flutter and fibrillation alternate with prolonged periods of asystole.