• syndrome
  • NICE advises in its latest guidance that up to 90 per cent of all pacemakers implanted to treat sick sinus syndrome and atrioventricular block - the two primary causes of bradycardia - should be dual-chamber devices, which deliver electrical impulses to both the right atrium and the right ventricle. (thefreedictionary.com)
  • Sick sinus syndrome has multiple manifestations on electrocardiogram, including sinus bradycardia, sinus arrest, sinoatrial block, and alternating patterns of bradycardia and tachycardia (bradycardia-tachycardia syndrome). (aafp.org)
  • 1 Abnormalities encompassed in this syndrome include sinus bradycardia, sinus arrest or exit block, combinations of sino-atrial and atrioventricular nodal conduction disturbances, and atrial tachyarrhythmias. (aafp.org)