[Protective effect of extracellular K+ in the myocardium in disorders of energy metabolism].

In an experimental study on isolated isovolumetric guinea-pig hearts, a 2.2-fold reduction of the coronary duct combined with metabolic block caused by dinitrophenol (0.05 mM) resulted in an eleven-fold drop in the attained pressure, and a shorter electric systole, a smaller P wave, and an ST displacement on the ECG. Deep suppression of mechanical and… CONTINUE READING