Answer:
The correct option is D. Nitroglycerol
Explanation:
The drugs which are used to suppress the abnormal rhythms of the heart are called anti-arrhythmic agents or cardiac dysrhythmia medications.
Many anti-arrhythmic agents have multiple modes of action. Some examples of the anti-arrhythmia agents are- Amiodarone, Digoxin and Lidocaine.
Therefore, Nitroglycerol is not an anti-arrhythmic agent. It is used for the treatment of heart attack, angina, high blood pressure, coronary artery spasms.