Figure 2. Effect of hypothermia and Potassium sup + variations on maximum diastolic potential (MDP) of Purkinje fiber action potentials with and without verapamil in the superfusate. *P < 0.05 versus 2.3 and 6.8 mM external [K sup +]([K sup +]o) at same temperature. (dagger)P < 0.05 versus 37 degrees Celsius at same [K sup +]o.

Figure 2. Effect of hypothermia and Potassium sup + variations on maximum diastolic potential (MDP) of Purkinje fiber action potentials with and without verapamil in the superfusate. *P < 0.05 versus 2.3 and 6.8 mM external [K sup +]([K sup +]o) at same temperature. (dagger)P < 0.05 versus 37 degrees Celsius at same [K sup +]o.

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