Any process that stops, prevents or reduces the frequency, rate or extent of AV node cell action potential.
Synonyms:
exact_synonym:
down regulation of AV node cardiac muscle cell action potential; down regulation of AV node cell action potential; down regulation of atrioventricular node cardiac muscle cell action potential; downregulation of AV node cardiac muscle cell action potential; downregulation of AV node cell action potential; downregulation of atrioventricular node cardiac muscle cell action potential; negative regulation of AV node cardiac muscle cell action potential; negative regulation of atrioventricular node cardiac muscle cell action potential
narrow_synonym:
inhibition of AV node cardiac muscle cell action potential; inhibition of AV node cell action potential; inhibition of atrioventricular node cardiac muscle cell action potential