Population
In vitro working frog heart preparation
Design
Preclinical
Authors
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Hypothesis-generating for ouabain effects on ventricular potassium compartments; leaves open translation to mammalian or human myocardium.
This preclinical study demonstrates that intracellular potassium in the frog heart exchanges in two phases, with the slow phase being sensitive to work, external potassium, and ouabain.
Sidney S. Schreiber (1956) studied this question.
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