<prompt> Which of the following is not a contradiction for use of digitalis?Acute rheumatic carditisThyrotoxicosisWPW SyndromeHyperkalemia  <response>: Ref:KDT 6e p499 Digitalis compounds arecontraindicated in patients who are hypokalemic, or who have atrioventricular block or Wolff-Parkinson-White WPW syndrome. Impaired renal function leads to enhanced plasma levels of digoxinbecause digoxin is eliminated by the kidneys. 