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The ________ wave represents atrial depolarization, which manifests as an atrial contraction that originates in the sa node.
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The ________ wave represents atrial depolarization, which manifests as an atrial contraction that originates in the sa node.

User Kayla Rose
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The P wave represents atrial depolarization, which manifests as an atrial contraction that originates in the SA node.

User Srinjoy Choudhury
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