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H Levin… - US Patent 7,869,874, 2011 - Google Patents
... The healthy heart controls its rhythm from its sinoatrial 45 (SA) node, located in the upper portion
of the right atrium. The SA node generates an electrical impulse at a rate com- monly referred
to as the "sinus" or "intrinsic" rate. ... SA node is the natural pacemaker of the heart. ...
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[HTML] from tums.ac.irA Bagherzadeh, ME Rezaee… - The Journal of Tehran …, 2011 - journals.tums.ac.ir
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