| AVNFRP | atrioventricular node functional refractory period |
|---|---|
| AVNRT | atrioventricular node reentry tachycardia |
| BN | bladder neck; branchial neuritis; bronchial node; brown Norway [rat]; bulimia nervosa |
| CASRT | corrected adjusted sinus node recovery time |
| CMN | caudal mediastinal node; cystic medial necrosis |