Pertanyaan
What does the P wave in an EC G represent? Atrial depolarization Ventricular repolarization Ventricular depolarization Atrial repolarization
Jawaban
Here's why:
* Electrocardiogram (ECG or EKG): An ECG is a test that measures the electrical activity of the heart. It records the heart's electrical signals as waves on a graph.
* P Wave: The P wave represents the electrical activity associated with the atrial depolarization. This means it shows the electrical signal that travels through the atria, causing them to contract and pump blood into the ventricles.
Other options:
* Ventricular repolarization: This is represented by the T wave.
* Ventricular depolarization: This is represented by the QRS complex.
* Atrial repolarization: This is usually too small to be seen on an ECG.
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