Sick sinus syndrome overview: Difference between revisions
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==Overview== | ==Overview== | ||
'''Sick sinus syndrome''' is a group of abnormal heart rhythms ([[arrhythmia]]s) caused by a malfunction of the [[sinus node]], the heart's "natural" pacemaker. It encompasses | '''Sick sinus syndrome''' is a group of abnormal heart rhythms ([[arrhythmia]]s) caused by a malfunction of the [[sinus node]], the heart's "natural" pacemaker. It encompasses disorders causing reduced automaticity of the sinoatrial node, exit block, and sinus arrest. The syndrome primarily affects the elderly, and is associated with paroxysmal atrial fibrillation | ||
or flutter in approximately half of the patients and with distal conduction disease in up to one tenth of patients. It is also sometimes called as tachycardia-bradycardia syndrome and is characterized by periods of [[bradycardia]] alternating with periods of [[atrial fibrillation]] with rapid ventricular response. Management of the syndrome usually requires an implanted permanent pacemaker. | or flutter in approximately half of the patients and with distal conduction disease in up to one tenth of patients. It is also sometimes called as tachycardia-bradycardia syndrome and is characterized by periods of [[bradycardia]] alternating with periods of [[atrial fibrillation]] with rapid ventricular response. Management of the syndrome usually requires an implanted permanent pacemaker. | ||
==References== | ==References== | ||
{{reflist|2}} | {{reflist|2}} | ||
{{WH}} | {{WH}} | ||
{{WS}} | {{WS}} | ||
Revision as of 13:08, 3 October 2016
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Sick sinus syndrome Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Sick sinus syndrome overview On the Web |
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American Roentgen Ray Society Images of Sick sinus syndrome overview |
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Risk calculators and risk factors for Sick sinus syndrome overview |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Sick sinus syndrome is a group of abnormal heart rhythms (arrhythmias) caused by a malfunction of the sinus node, the heart's "natural" pacemaker. It encompasses disorders causing reduced automaticity of the sinoatrial node, exit block, and sinus arrest. The syndrome primarily affects the elderly, and is associated with paroxysmal atrial fibrillation or flutter in approximately half of the patients and with distal conduction disease in up to one tenth of patients. It is also sometimes called as tachycardia-bradycardia syndrome and is characterized by periods of bradycardia alternating with periods of atrial fibrillation with rapid ventricular response. Management of the syndrome usually requires an implanted permanent pacemaker.