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SA node

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
SA node [¦es¦ā ′nōd]
(anatomy)
sinoauricular node


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The research team point out that the way electrical signals are generated in the SA node - and hence the heart rate - are far from simple.
Natural solution to artificial heart pacemakers may be possible by Asian News International
These cells are called the sinoatrial or SA node, the sinus node or the heart''s "pacemaker.
Arrhythmias-Information on Arrhythmias by peterhutch / Health, general community
Once generated by the SA node, the impulses spread in a coordinated fashion across the heart muscle in less than a quarter of a second.
A host of interconnections: the heart is purest theater ... throbbing ... by Selzer, Richard / Pamphlet by: National Institute on Aging
 
 
 
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