Enhancement of calcium current during digitalis inotrophy in mammalian heart: positive feed-back regulation by intracellular calcium?

AUTOR(ES)

Marban, Eduardo

RESUMO

1. Effects of digitalis compounds on slow inward Ca current Isi) and contractile force were examined in ferret ventricular muscle (single sucrose-gap voltage clamp) and calf Purkinje fibres (two micro-electrode voltage clamp).

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