Fig. 7.

Signals recorded close to the surface of the preparation at observation the point CP (see Fig. 1). a Extracellular potentials recorded at different stages of ischemia: control, ischemia phase 1a, phase 1b and myolysis. b Variation of ϕ_e-derived metrics during ischemia progression. Amplitude of the signal negative peak of the time derivative and time difference between the negative and positive peaks T _pp