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NREMT Paramedic Certification Exam

Category - Paramedic

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During normal atrial depolarization, the main electrical vector is directed from the SA node towards the AV node, and spreads from the right atrium to the left atrium. This turns into what wave on the ECG?

S wave
T wave
U Wave
P wave

Explanation

Answer - D - The P wave gives the impulse from the right atrium to the left.

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