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What is Pain from parietal pericardium is transmitted through? and explain in detail?
ANSWER: (D) Vagus nerveREF: Gray's anatomy 39th edition page 996The pericardium is innervated by the vagus, together with phrenic nerves and the sympathetic trunks. Pericardial pain is typically a sharp severe substernal pain. It may be exacerbated by lying back or on the left side and relieved by leaning forward. It occasionally radiates to the upper border of trapezius.