What is the P wave in an electrocardiogram?
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Charlotte Young
Studied at the University of Melbourne, Lives in Melbourne, Australia.
As a medical professional with expertise in cardiology, I can explain that the P wave in an electrocardiogram (EKG) is a crucial part of the heart's electrical activity that is recorded on the EKG. The P wave represents the atrial depolarization, which is the initial electrical signal that causes the atria (the upper chambers of the heart) to contract and push blood into the ventricles (the lower chambers). In a normal EKG, the P wave precedes the QRS complex, which represents the ventricular depolarization. The P wave typically appears as a small bump upwards from the baseline, and its amplitude is normally within the range of 0.05 to 0.25 millivolts (mV), which can be visualized as 0.5 to 2.5 small boxes on the EKG graph.
Works at the International Energy Agency, Lives in Paris, France.
The P wave represents atrial depolarization. In a normal EKG, the P-wave precedes the QRS complex. It looks like a small bump upwards from the baseline. The amplitude is normally 0.05 to 0.25mV (0.5 to 2.5 small boxes).
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Lucas Turner
QuesHub.com delivers expert answers and knowledge to you.
The P wave represents atrial depolarization. In a normal EKG, the P-wave precedes the QRS complex. It looks like a small bump upwards from the baseline. The amplitude is normally 0.05 to 0.25mV (0.5 to 2.5 small boxes).
