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:
High-Yield Explanation
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.