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Apr 30, 2022 · Sick sinus syndrome is a type of heart rhythm disorder. It affects the heart's natural pacemaker (sinus node), which controls the heartbeat. Sick sinus syndrome causes slow heartbeats, pauses (long periods between heartbeats) or irregular heartbeats (arrhythmias).
Sep 23, 2021 · Sick sinus syndrome is the name for heart rhythm problems that happen because your sinoatrial node (or sinus node) isn’t working right. The sinus node acts like a pacemaker that kicks off each heartbeat.
Jul 17, 2023 · Sick sinus syndrome, also known as sinus node dysfunction (SND), is a disorder of the sinoatrial (SA) node caused by impaired pacemaker function and impulse transmission producing a constellation of abnormal rhythms.
Apr 30, 2022 · To diagnose sick sinus syndrome, a health care provider performs a physical exam and asks about symptoms and medical history. Symptoms of sick sinus syndrome — such as dizziness, shortness of breath and fainting — only occur when the heart is beating irregularly.
Jul 27, 2023 · Sinus node dysfunction (SND), also historically referred to as sick sinus syndrome (SSS) is characterized by dysfunction of the sinoatrial (SA) node that is often secondary to senescence of the SA node and surrounding atrial myocardium.
What is sick sinus syndrome? Sick sinus syndrome (SSS) is a disease in which the heart's natural pacemaker located in the upper right heart chamber (right atrium) becomes damaged and is no longer able to generate normal heartbeats at the normal rate.
Dec 23, 2021 · A disease characterized by abnormal sinus node functioning with resultant bradycardia and cardiac insufficiency. May be multi-factorial in origin. Causes can be considered either intrinsic or extrinsic. Intrinsic Causes. Idiopathic Degenerative Fibrosis (commonest). Ischaemia. Cardiomyopathies.
