You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Tachycardia due to nitrates in a patient with angina pectoris is blocked by? and explain in detail?
Ans. is 'c' i.e., Beta blocker Use of beta blocker and long acting nitrate combination is rational in classical angina because : Tachycardia due to nitrate is blocked by beta blocker The tendency of beta blocker to cause ventricular dilatation is countered by nitrate The tendency of beta blocker to reduce the total coronary flow is opposed by nitrate