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P Wave Morphology: Difference between revisions
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The '''P wave morphology''' can reveal right or left atrial stretch or atrial arrhythmias and is best determined in leads II and V1 during sinus rhythm. | |||
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! Characteristics of a normal p wave:<cite>Spodick</cite> | ! Characteristics of a normal p wave:<cite>Spodick</cite> | ||
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*The p wave duration is usually shorter than 0.12 seconds | *The p wave duration is usually shorter than 0.12 seconds | ||
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Elevation or depression of the [[PTa segment]] (the part between the p wave and the beginning of the QRS complex) can result from [[Ischemia#Atrial infarction|Atrial infarction]] or [[Clinical Disorders#Pericarditis|pericarditis]]. | Elevation or depression of the [[PTa segment]] (the part between the p wave and the beginning of the QRS complex) can result from [[Ischemia#Atrial infarction|Atrial infarction]] or [[Clinical Disorders#Pericarditis|pericarditis]]. | ||