WebApr 12, 2024 · It is called the sinoatrial node, sinus node or SA node. Its role is to keep the heart beat steady and regular. Sick sinus syndrome is a group of heart rhythm problems due to problems with the sinus node, such as: The heartbeat rate is too slow, called sinus bradycardia. The heartbeat pauses or stops, called sinus pauses or sinus arrest. WebJun 16, 2024 · Sinus node dysfunction (SND), also historically referred to as sick sinus syndrome, is characterized by dysfunction of the sinoatrial (SA) node that is often …
Sinus arrhythmia: Definition, signs, and diagnosis - Medical News Today
http://secondscount.org/heart-condition-centers/info-detail-2/what-is-sick-sinus-syndrome WebDefinition. Sick sinus syndrome is a group of symptoms due to faulty sinus node. The sinus node is a cluster of cells in the heart. These cells make the heart beat normally. When the … immunoglobulin involved in allergic reactions
Medical Definition of Sick sinus syndrome - MedicineNet
WebMar 29, 2024 · Sick sinus syndrome: A condition that features symptoms including dizziness, confusion, fainting, and heart failure that is due to a problem with the sinoatrial node (SA node) of the heart, which acts as the body's natural pacemaker. If the SA node is not functioning normally, the patient usually has an abnormally slow heart rate … WebSick sinus syndrome. This is when your heart’s natural pacemaker, a cluster of cells called the sinoatrial (SA) node, malfunctions. That means your SA node doesn’t correctly create the electrical current that travels through your heart and causes different parts to squeeze at the proper time. Heart block. WebThe term sick sinus syndrome is applied to a clinical syn-drome to include chronic SN dysfunction, frequently depressed escape pacemakers, and atrioventricular nodal conduction disturbances. The term sinoatrial disease is used interchangeably with sick sinus syndrome and describes a series of abnormalities that can result in profound sinus immunoglobulin heavy chain types