<prompt> Which of the following is the best treatment for severe digitalis toxicityPotassium supplementationDiphenyl hydantoinFAB antibodies for digoxinQuinidine  <response>: DIGIBIND, Digoxin Immune Fab Ovine, is a sterile lyophilized powder of binding fragments Fab derived from specific antidigoxin antibodies raised in sheep. Production of antibodies specific for digoxin involves conjugation of digoxin as a to human . Ref: KD Tripathi 8th ed 