All of them: Any tissue can do this, technically. The order of impulse formation is generally: sa node > atrium > proximal his tissues > av node > ventricles > purkinje fibers. But it can vary from person to person.
Answered 9/20/2013
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A doctor has provided 1 answer
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
3 doctors weighed in across 3 answers
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