| AVNR | atrioventricular nodal reentry |
|---|---|
| EAVN | enhanced atrioventricular nodal [conduction] |
| NPB | nodal premature beat; nonprotein bound |
| NPC | nasopharyngeal carcinoma; near point of convergence; nodal premature contractions; nonparenchymal [l... |
| PAVNRT | paroxysmal atrioventricular nodal reciprocal tachycardia |
| upper nodal extrasystole | An obsolete term for a nodal extrasystole supposed to arise from the upper part of the A-V node; recognised in the electrocardiogram by a retrograde P wave preceding the QRS complex by an abnormally short P-R interval. (05 Mar 2000) |
|---|---|
| lower nodal extrasystole | An obsolete term for a nodal extrasystole supposed to arise from the lower part of the A-V node, recognised in the electrocardiogram by the retrograde P wave that follows the QRS complex. (05 Mar 2000) |