La pericarditis constrictiva y la miocardiopatía restrictiva comparten una presentación clínica similar en forma de insuficiencia cardíaca derecha insidiosa. Tienen, no obstante, unos agentes etiológicos, un tratamiento y un devenir diferente, por lo que es crucial establecer el diagnóstico diferencial entre ambas entidades. Clásicamente, el cateterismo cardíaco ha sido considerado el goldstandard en el diagnóstico diferencial de ambas entidades, pero el desarrollo de las técnicas de imagen hace que a día de hoy su utilidad haya quedado relegada a un segundo plano.

Constrictive pericarditis and restrictive cardiomyopathy share a similar clinical presentation in the form of insidious right-sided heart failure. However, their etiological agents, treatment, and course differ. Therefore, it is crucial to establish a differential diagnosis between the two diseases. Classically, cardiac catheterization has been considered the gold standard in the differential diagnosis of both ailments, but the development of imaging techniques means that today, its usefulness has been relegated to the background.