This case highlights the importance of having constrictive pericarditis (CP) as a differential diagnosis in unexplained sign and symptoms of right-sided heart failure. This case portrays challenges in diagnosing CP caused by certain rheumatologic diseases despite advances in diagnostic modalities, clinical suspicion remains the most important tool for this diagnosis.
Keywords: cardiac physiology; constrictive pericarditis; hemodynamics; imaging; pericardial effusion; pressure waves; pulmonary hypertension; right-sided catheterization autoimmune.