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. Author manuscript; available in PMC: 2015 Mar 3.
Published in final edited form as: Curr Protoc Pharmacol. 2014 Mar 3;2014:10.1002/0471141755.ph1112s64. doi: 10.1002/0471141755.ph1112s64
Measurement Acceptance Criteria
Resting membrane potential (RMP) ≤ −60 mV
Action potential duration at 90% of the initial resting potential (APD90) 150 ms
Maximum rate of depolarization (Vmax) 20 V/s
Action potential amplitude (APA) ≥ 70 mV