Ivabradine Explained in 60 Seconds | MOA, Uses & Side Effects #Shorts

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Shared September 9, 2026

Subscribe:    / @10dailymedicalquestions   Ivabradine explained in 60 seconds! 🫀 Learn the mechanism of action, indications, contraindications, side effects, and drug interactions of ivabradine in this quick cardiology and pharmacology tutorial. Ivabradine is a selective If (“funny”) current inhibitor that acts on the SA node and slows phase 4 depolarization, resulting in a reduced heart rate without directly reducing myocardial contractility. In this Short, we cover: • Ivabradine mechanism of action • If current / funny current • SA node and phase 4 depolarization • Ivabradine in HFrEF (heart failure with reduced ejection fraction) • Chronic stable angina • Beta-blocker contraindication or inadequate response • Ivabradine contraindications • Bradycardia and atrial fibrillation • Phosphenes and visual side effects • CYP3A4 drug interactions 🧠 USMLE Pharmacology & Cardiology Pearl: If current → SA node → ↓ phase 4 depolarization → ↓ heart rate Perfect for medical students, doctors, USMLE preparation, pharmacology revision, cardiology revision, and medical exam preparation. #Ivabradine #Pharmacology #Cardiology #USMLE #USMLEPrep #MedicalStudents #MedicalEducation #HFrEF #HeartFailure #MedicalShorts #CardiologyPharmacology #DrugMechanism