Western Governors University (WGU) NURS2508 D236 Pathophysiology Practice Exam

Pericarditis is the inflammation of the pericardium, the fibrous sac surrounding the heart. One of the main causes of pericarditis is the accumulation of fluid or blood in the pericardial space, leading to irritation and inflammation of the pericardium. This condition, often referred to as pericardial effusion, can result from various factors such as infections, autoimmune diseases, or trauma. The excess fluid presses on the heart, causing symptoms such as chest pain, difficulty breathing, and a feeling of constriction, which characterizes the clinical presentation of pericarditis. Other potential causes of pericarditis may include infections or inflammation from diseases like lupus or rheumatoid arthritis, but the presence of fluid or blood specifically highlights a mechanical factor that exacerbates the condition. Recognizing this cause is critical for appropriate diagnosis and treatment, as managing the fluid around the heart often alleviates the symptoms and resolves the underlying pericarditis.