Acute pericarditis is a condition characterized by inflammation of the pericardium, the thin sac surrounding the heart. While often benign, acute pericarditis can cause significant discomfort and, in severe cases, lead to complications. Understanding the symptoms, causes, diagnosis, and treatment options for acute pericarditis is crucial for prompt management and optimal outcomes.   What is Acute Pericarditis? Acute pericarditis refers to the sudden onset of inflammation in the pericardium, the double-layered sac that surrounds the heart and helps to maintain its position within the chest cavity. When the pericardium becomes inflamed, it can lead to chest pain, discomfort, and other...