action potential interval的用法和样例：
- Action potential (AP) parameters were recorded in the NZ and AZ.
- It is well established that the cardial contraction is initiated when an action potential depolarizes the sarcolemma.
- Class III anti-arrhythmic drugs (such as amiodarone) act ia prolongation of the action potential.
- Stimulating a nerve fiber causes an action potential to spread across the nerve cell, making it contract.