Medicine Pericardial Disease 83bd86b3 In case of chest pain with pericarditis and pericardial effusion, pain is refered by? A Phrenic nerve B Vagus nerve C Trigeminal nerve D None High-Yield Explanation Ans. (a) Phrenic nerveRef: Cunningham's textbook of anatomy by Daniel john Cunningham p 699, 700, Gray's anatomy 39/e, p 996