Nitroglycerine is used for the treatment of which of the following?

Nitroglycerin is primarily used for the treatment of angina pectoris, which is a condition characterized by chest pain or discomfort due to reduced blood flow to the heart muscle. It works as a vasodilator, meaning it relaxes and widens blood vessels, which decreases the heart's workload and increases blood flow to the heart. This helps relieve the pain associated with angina by improving the oxygen delivery to the heart muscle during times of stress or exertion.

In contrast, high blood pressure may be managed with various other medications, but nitroglycerin is not typically used as a first-line treatment specifically for this condition. While it may have an effect in certain acute situations, it is not indicated for chronic management of hypertension. Arrhythmia, which involves irregular heartbeats, is usually treated with different classes of medications such as beta-blockers or antiarrhythmics, and nitroglycerin does not directly address the rhythm of the heart. Heart failure, while managed with a variety of medications, typically employs diuretics, ACE inhibitors, or beta-blockers rather than nitroglycerin as the primary treatment option. Thus, the specific role of nitroglycerin in treating angina pectoris makes it the correct