Drug of the week series week 5

A 37-year-old male HIV-1 patient is receiving the Biktarvy treatment. He has experienced severe tachycardia; after checking the medical history of patients and performing a drug blood-concentration test, doctors are able to know that he has been taken an antiarrhythmic medication a half hour prior to giving Biktarvy.

Questions

  1. What is the name of the drug (antiarrhythmic) that is contraindicated to Biktarvy?
  2. What is the class of that antiarrhythmic drug?
  3. Which particular transport protein channel is inhibited by Biktarvy through which antiarrhythmic drugs are being processed?

MBH/PS

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