1.27.2012
Sick Sinus syndrome
Posted on 1:23 AM by know about heart
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| Sick Sinus syndrome |
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| ECG OF SICK SINUS SYNDROME |
It can occur at young or child age but is most common in older peoples.
Pathology:
- Fibrosis, Degenerative changes and/or, Ischemia of the sinoatrial (sinus) node.
Features:
§The condition is characterized by a variety of arrhythmias
§May present with palpitation, dizzy spells or syncope, due to intermittent tachycardia bradycardia, or pauses with no atrial or ventricular activity (sinoatrial block of sinus arrest)
Common features of sinoatrial disease:
§ Sinus bradycardia
§ Sinoatrial block (sinus arrest)
§ Paroxysmal suprauentricular tachycardia
§ Paroxysmal atrial fibrillation
§Atriauntricular block
Treatment:
§A permanent pacemaker: May benefit patients with troublesome symptoms due to spontaneous bradycardias or those with symptomatic bradycardias induced by drugs required to prevent tachyarrhythmias.
§Atrial pacing may help to prevent episodes of atrial fibrillation.
§Permanent pacing does not improve prognosis and is not indicated in patients who are asymptomatic.
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