4 doctors weighed in:

What the sinoatrial node release when it fires?

4 doctors weighed in
Dr. Calvin Weisberger
Internal Medicine - Cardiology
2 doctors agree

In brief: SA node

read this: http://en.
wikipedia.org/wiki/Sinoatrial_node the impulse is electrochemical

In brief: SA node

read this: http://en.
wikipedia.org/wiki/Sinoatrial_node the impulse is electrochemical
Dr. Calvin Weisberger
Dr. Calvin Weisberger
Thank
1 comment
Dr. Jeffrey Webber
The SA node is the hearts native pacemaker, and autonomously emits an electrical signal or trigger at rates influenced by bodily processes and reactions to recruit heart muscle contraction that in turn allows blood to be squeezed to the bidy