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KMID : 1011920100110030004
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International Journal of Arrhythmia
2010 Volume.11 No. 3 p.4 ~ p.7
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Diagnosis of bradyarrhythmias
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Rho Tai-Ho
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Abstract
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Bradyarrhythmias, as manifested by sick sinus syndrome or AV (atiroventricular) block, cause diverse clinical signs and symptoms such as dizziness or syncope, shortness of breaths, fatigue, decreased exercise capacity, and decrease of cognitive functions. Those symptoms or signs are caused by a decreased blood flow to vital organs secondary to limited cardiac output. A permanent pacemaker is at present the only treatment for symptomatic bradycardia, which is known to improve survival and quality of life. The diagnosis of bradycardia confirmed simply by proving drop in heart beats. The palpation of radial pulses or apical pulses, or the auscultation of heart beats sometime suffices. However, the diagnosis is usually confirmed by ECG. Episodes of bradyarrhythmias are not frequent in some patients, and in others, bradycardias occur in only specific clinical settings, which make the diagnosis difficult. To overcome these obstacles, ECG is repeated or other complicated studies are needed.
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KEYWORD
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bradycardia, sick sinus syndrome, AV block
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