<prompt> A 75-year-old patient suffering from congestive hea failure accidentally ingests a toxic dose of digoxin. Clinical consequences due to the toxic effects of cardiac glycosides are likely to includeSeizuresVisual disturbancesBicarbonaturiaIntermittent claudication  <response>: Digoxin adverse effects- CNS effects, visual manifestations, arrhythmia and GI symptoms. Digoxin inhibits NaK-ATPase and impairs the uptake of K by skeletal muscle, such that digoxin overdose predictably results in hyperkalemia. 