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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. | 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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If the P wave is inverted, it is most likely an [[ectopic atrial rhythm]] not originating from the sinus node. | If the P wave is inverted, it is most likely an [[ectopic atrial rhythm]] not originating from the sinus node. | ||
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| | [[Image:normalSR.jpg|thumb|center|300px| Normal sinus rhythm with a positive p wave in leads I, II en AVF and a biphasic p wave in V1.]] | |||
| | [[Image:p_wave_morphology.png|center|thumb|300px|Altered P wave morfology is seen in left or right atrial enlargement.]] | |||
| | [[Image:pta_changes.svg|thumb|center|300px|The PTa segment can be used to diagnose pericarditis or atrial infarction.]] | |||
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==Examples== | ==Examples== | ||
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