USMLE Step 2 CK: Digoxin Toxicity and Drug Interactions in
Cardiology With complete solution– Expert Verified | Latest
Questions 2025
What medication was added to the patient's regimen that likely caused digoxin
toxicity? - Amiodarone
What are common gastrointestinal symptoms of digoxin toxicity? - Anorexia,
nausea, vomiting, abdominal pain.
What is the patient's last recorded left ventricular ejection fraction? - 35%.
What was the patient's blood pressure upon arrival at the emergency
department? - 160/100 mm Hg.
What arrhythmia was observed on the patient's electrocardiogram? - Atrial
fibrillation with rapid ventricular response.
What is the most likely cause of the patient's profound anorexia and generalized
weakness two weeks after discharge? - Digoxin toxicity due to drug interaction
with amiodarone.
What should be done with the digoxin dose when initiating amiodarone therapy?
- The digoxin dose should be decreased by 25%-50%.
What are some neurologic symptoms associated with chronic digoxin toxicity? -
Lethargy, fatigue, confusion, disorientation, changes in color vision.
Cardiology With complete solution– Expert Verified | Latest
Questions 2025
What medication was added to the patient's regimen that likely caused digoxin
toxicity? - Amiodarone
What are common gastrointestinal symptoms of digoxin toxicity? - Anorexia,
nausea, vomiting, abdominal pain.
What is the patient's last recorded left ventricular ejection fraction? - 35%.
What was the patient's blood pressure upon arrival at the emergency
department? - 160/100 mm Hg.
What arrhythmia was observed on the patient's electrocardiogram? - Atrial
fibrillation with rapid ventricular response.
What is the most likely cause of the patient's profound anorexia and generalized
weakness two weeks after discharge? - Digoxin toxicity due to drug interaction
with amiodarone.
What should be done with the digoxin dose when initiating amiodarone therapy?
- The digoxin dose should be decreased by 25%-50%.
What are some neurologic symptoms associated with chronic digoxin toxicity? -
Lethargy, fatigue, confusion, disorientation, changes in color vision.