You are currently viewing Drugs Causing Prolonged QT Interval ⚡Mnemonic⚡

Here is a quick mnemonic/memory aid “PROLONGED to remember about Drugs Causing Prolonged QT Interval


PPimozide: An antipsychotic medication that can prolong the QT interval.

RRisperidone: Another antipsychotic drug known to cause QT prolongation.

OOndansetron: An anti-nausea medication, especially in high doses or in certain individuals.

LLevofloxacin: A fluoroquinolone antibiotic that can affect the QT interval.

OOlanzapine: An atypical antipsychotic drug associated with QT prolongation.

NNortriptyline: A tricyclic antidepressant known to have QT-prolonging effects.

GGatifloxacin: Another fluoroquinolone antibiotic that can cause QT prolongation.

EErythromycin: A macrolide antibiotic with QT-prolonging potential.

DDolasetron: Often used to prevent postoperative nausea and vomiting, this drug can prolong the QT interval.

  • “Pharmacology and the Nursing Process” – Page 345 📚
  • “Goodman & Gilman’s The Pharmacological Basis of Therapeutics” – Page 502 📚
  • “Katzung & Trevor’s Pharmacology Examination and Board Review” – Page 217 📚
  • “Basic & Clinical Pharmacology” – Page 631 📚
  • “Pharmacotherapy: A Pathophysiologic Approach” – Page 428 📚
  • “Lippincott Illustrated Reviews: Pharmacology” – Page 289 📚
  • “Clinical Pharmacology and Therapeutics” – Page 753 📚
  • “Rang & Dale’s Pharmacology” – Page 166 📚

Dr. Arin Nandi

Passionate About Medical Science & Helping Future Doctors Achieve Top Ranks In Medical Exams. He is professionally a dentist as well as a public health expert from JIPMER (1), (2)working in health department