The measurement of the refractory period of heart muscle by programmed and automated paired-pulse stimulation.
D000818:Animals; D002415:Cats; D003201:Computers; D004558:Electric Stimulation / Q000295:instrumentation*; D006339:Heart Rate; D066298:In Vitro Techniques; D009119:Muscle Contraction; D010210:Papillary Muscles / Q000187:drug effects / Q000502:physiology*; D011343:Procaine / Q000494:pharmacology; D011802:Quinidine / Q000494:pharmacology
D011343:Procaine; D011802:Quinidine