Potassium channel opener with anti-anginal activity is:
Nicorandil opens ATP-dependent K+ channels causing aerial dilatation thus increasing afterload-potassium channel opener-used for angina Amiodarone and dofetilide are potassium channel blockers- class 3 antiarrhythmic agents REF.Essentials of Medical Pharmacology KD Tripathi 8th ed.
Nicorandil
Dipyridamole
Dofetilide
AMIODARONE
Cardiovascular system