Pericarditis

Pericarditis (pronunciation: peri·​car·​di·​tis) is a heart condition. It is the swelling and irritation of the pericardium.
Signs and Symptoms.
Pericarditis can be acute pericarditis or chronic pericarditis. A typical symptom of acute pericarditis is a sharp, pricking chest pain taking place rapidly. It is felt in the midst or left side of chest. There may be pain in one or both shoulders.