What Is the QRS Complex in an ECG Tracing

question 1

Multiple Choice

What is the QRS complex in an ECG tracing?

• A)ventricular depolarization
• B)depolarization spreading from the SA node throughout the atria
• C)ventricular repolarization
• D)the time for both ventricular depolarization and repolarization to occur
• E)one full cardiac cycle

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