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. 2012 Jul 5;7(7):e40288. doi: 10.1371/journal.pone.0040288

Figure 5. Electrophysiologic parameters as a function of age and cycle length (II). A to D:

Figure 5

Action potential parameters as a function of dpd (Age). Relationship between maximum diastolic potential (MDP) or Vmax and days pos-differentiation (Age) for 103 BC (A and B); 40 BC displaying atrial-like APs (C and D) and 63 BC displaying ventricular-like APs (E and F). The results indicate a significant increase in Vmax as a function of age (panels B and F) as well as a more negative in MDP, particularly in the early post-differentiation period (panels A and E; monoexponential fit).