MCQ Pharmacology Answer 15
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Class IV
- calcium channel blockers
- inhibit slow inward calcium mediated current and depress phase 2 and 3
- slow SAN pacemaker cells and AVN conduction by direct blockade of Ca channels
- have inportant effects on upper and middle parts of the AV node
- may have particular value in blocing one limb of a re-entry circuit
Category: Pharmacology MCQs
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