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 A 59 year old man complains of recurrent attacks of pain in the region of left shoulder radiating to sternum and the pit of stomach. The attacks of pain came at lengthy intervals until the last two days when it became continuous. The physician diagnosed it as angina pectoris. In this case the pain pathway from the hea is carried by: and explain in detail?
C i.e. Thoracic splanchnic nerve The afferent pain fibers run centrally in the middle and inferior cervical branches and especially in the thoracic cardiac branches of the sympathetic trunkQ.