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Label the following on the ECG above and use the space below to explain the underlying heart activity (Ex: depolarization of atria or contraction of ventricles, etc.) that occurs during the following events of a sinus rhythm:
P-wave
P-R interval
QRS-complex
Q-T interval
T-wave
ST-segment
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Label the following on the ECG above and use the space below to explain the underlying heart activit...
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