An ectopic atrial rhythm supposedly originating from a pacemaker at the mouth of the coronary sinus; recognised in the electrocardiogram by P-waves that are inverted in leads II, III, and a VI with a normal or prolonged P-R interval; an ectopic ('lower') atrial rhythm. ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973
Type: Term Definitions: 1. an ectopic atrial rhythm supposedly originating from a pacemaker at the mouth of the coronary sinus; recognized in the electrocardiogram by P-waves that are inverted in leads II, III, and aVF with a normal or prolonged P-R interval; an ectopic ('lower') atrial rhythm.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=78371
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