THE 2-MINUTE RULE FOR INNENTREPPEN

among the explanations for a rise in the intracellular calcium focus is the inability of the Na+/K+-ATPase to keep up with inflow of sodium at better heart fees. When the next heart level occurs, for example because of adrenergic stimulation, the L-kind calcium channel has elevated activity. The sodium-calcium exchanger (which will allow 3 Na+ to m