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Sinoatrial block
Classification and external resources
ICD-10 I45.5
ICD-9 426.6
MeSH D012848

A sinoatrial block is a disease which involves an impairment of conduction at the sinoatrial node. An absent P wave on an ECG can indicate sinoatrial block.[1]

It is possible to use the "Wenckebach" distinction to identifying increasing delays, as is done with second degree AV block. [2]


  1. ^ Longmore M et al. Oxford Handbook of Clinical Medicine. 7th edition. Oxford. OUP. 2007
  2. ^ "Lesson VI - ECG Conduction Abnormalities". Retrieved 2009-01-07.  

External links

  • Davy JM, Messner-Pellenc P, Leclercq F (1994). "[Electrocardiographic aspects of sinoatrial block]" (in French). Archives des maladies du coeur et des vaisseaux 87 (1 Spec No): 41–6. PMID 7524461.  


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