A 78 year old man with systolic heart failure and atrial fibrillation develops nausea, confusion, and yellow tinged vision 1 week after starting a new medication. ECG shows frequent premature ventricular contractions, and his serum potassium is low due to concomitant diuretic therapy. Which of the following treatments is most appropriate if his symptoms worsen and life threatening arrhythmia develops?
- A)Protamine sulfate
- B)Atropine only
- C)Digoxin specific antibody fragmentsGABARITO
- D)Calcium gluconate
- E)N acetylcysteine
Explicação
Digoxin toxicity classically causes gastrointestinal symptoms, visual changes, and arrhythmias, especially when hypokalemia increases digoxin binding to Na K ATPase. Severe toxicity with dangerous arrhythmias is treated with digoxin specific antibody fragments... Ver explicação completa e trilha adaptativa →