Cardiovascular Drugs — Flashcards

Flashcard 171: Drug of choice for ventricular arrhythmias due to myocardial infarction (MI) is:

Answer: Lidocaine (Lignocaine)

Extra: Lidocaine (Class IB antiarrhythmic) is the traditional drug of choice for ventricular arrhythmias occurring in the setting of acute myocardial infarction (MI). **Mechanism:** Class IB agents like Lidocaine have a high affinity for sodium channels in the **inactivated state**, which is more prevalent in ischemic/depolarized tissue. **Note:** In modern ACLS guidelines, Amiodarone is the first-line treatment for pulseless VT/VF, but for arrhythmias specifically induced by acute ischemia, Lidocaine remains a classic and effective choice.

Flashcard 172: The drug of choice for type III/IV hyperlipoproteinemias are _______.

Answer: Fibrates