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Fig. 8. Action potential duration of ventricular strips at control pH and during
acidosis. (A) A representative tracing of AP under both conditions indicates a
lengthening of repolarization. (B) Overall results showing hypercapnic
acidosis-induced prolongation of the action potential (AP) duration at the
time of the 20%, 50% and 90% of repolarization (N=6).
*P<0.05 vs value before acidosis.