What is a normal P axis?
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Oliver Bell
Works at the United Nations Office on Drugs and Crime, Lives in Vienna, Austria.
In the context of electrocardiography (ECG), the P axis refers to the mean frontal plane direction of the electrical activation of the atria during atrial depolarization. A normal P axis is typically considered to be within a range that reflects the physiological spread of atrial activation, which is generally between +30 and +75 degrees. However, different sources might provide slightly varying ranges for what is considered normal. It's important to note that the P axis is less commonly discussed or used clinically compared to the QRS axis, which is more directly related to the ventricular depolarization and is thus more significant in diagnosing various cardiac conditions.
Works at the International Organization for Migration, Lives in Geneva, Switzerland.
It can be normal, leftward (left axis deviation, or LAD), rightward (right axis deviation, or RAD) or indeterminate (northwest axis). The QRS axis is the most important to determine. However, the P wave or T wave axis can also be measured. ... The normal QRS axis should be between -30 and +90 degrees.
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Charlotte Torres
QuesHub.com delivers expert answers and knowledge to you.
It can be normal, leftward (left axis deviation, or LAD), rightward (right axis deviation, or RAD) or indeterminate (northwest axis). The QRS axis is the most important to determine. However, the P wave or T wave axis can also be measured. ... The normal QRS axis should be between -30 and +90 degrees.
