A 67-year-old woman with a history of cardiac arrhythmias presents to her primary care physician for follow-up. Her current medications include amiodarone. She complains of a 4-week history of diarrhea, sweats, and muscle weakness. Her skin is normal. Which of the following is the most likely explanation for these findings?

A 67-year-old woman with a history of cardiac arrhythmias presents to her primary care physician for follow-up. Her current medications include amiodarone. She complains of a 4-week history of diarrhea, sweats, and muscle weakness. Her skin is normal. Which of the following is the most likely explanation for these findings?

The following can cause hypertension EXCEPT:

The following are indications for transvenous pacing:

A 52-year-old woman with essential hypertension, hypercholesterolemia, and chronic-stable angina develops severe constipation. It is attributed to one of her medications. Which was the most likely cause?