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Conditions affecting the right side of the heart

Harrigan, Richard A

; Jones, Kevin

.  British Medical Journal

: BMJ, International edition; London Vol. 324, Iss. 7347,  (May 18, 2002): 1201-4.

The electrocardiographic changes suggesting right atrial enlargement often correlate poorly with the clinical and pathological findings. Right atrial enlargement is associated with chronic obstructive pulmonary disease, pulmonary hypertension, and congenital heart disease-for example, pulmonary stenosis and tetralogy of Fallot In practice, most cases of right atrial enlargement are associated with right ventricular hypertrophy, and this may be reflected in the electrocardiogram.