Right atrial enlargement: Difference between revisions
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*Rarely isolated finding (usually RVH/RAD also) | *Rarely isolated finding (usually RVH/RAD also) | ||
*P amplitude >2.5mm in II | *P amplitude >2.5mm in II | ||
*Large biphasic p wave in V1 | *Large biphasic p wave in V1 (> 1.5 mm in V1 and V2) | ||
*Right atrial hyper.-initial component is larger in V1 than V6 | *Right atrial hyper.-initial component is larger in V1 than V6 | ||
*p-mitrale-m notched p wave in leads 1 and 2. Greater than .12 seconds. | *p-mitrale-m notched p wave in leads 1 and 2. Greater than .12 seconds. | ||
Latest revision as of 04:58, 10 November 2019
ECG Findings
- Rarely isolated finding (usually RVH/RAD also)
- P amplitude >2.5mm in II
- Large biphasic p wave in V1 (> 1.5 mm in V1 and V2)
- Right atrial hyper.-initial component is larger in V1 than V6
- p-mitrale-m notched p wave in leads 1 and 2. Greater than .12 seconds.
Differential Diagnosis
Cardiac Hypertrophy and Enlargement
- Right atrial enlargement
- Left atrial enlargement
- Left ventricular hypertrophy
- Right ventricular hypertrophy
See Also
References
- Adapted from Niemann, Lampe, Pani, Donaldson, ECGpedia.org
- Journal of Electrocardiology. Vol 43 (2010). 40-42.