The biochemical mechanism of action of digitalis is associated with
High-Yield Explanation
Digitalis medicines strengthen the force of the heabeat by increasing the amount of calcium in the hea's cells. (Calcium stimulates the heabeat.) ... Digitalismedicines control irregular hea rhythms (called arrhythmias) by slowing the signals that sta in the sinoatrial (SA) node. Refer katzung 11e p 214