karleigh72 karleigh72
  • 04-05-2022
  • Biology
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what depolarizes producing the P wave, which generates a wave of contraction

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25dbrutsky
25dbrutsky 25dbrutsky
  • 04-05-2022

Answer: The P wave indicates atrial depolarization. The P wave occurs when the sinus node, also known as the sinoatrial node, creates an action potential that depolarizes the atria. The P wave should be upright in lead II if the action potential is originating from the SA node.

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