New Methods to Diagnose Constrictive Pericarditis
New Methods to Diagnose Constrictive Pericarditis
Until now, diagnosis of constriction was based on pressure changes of ventricle by
 conventional pressure-wide hemodynamic evaluation but not on ventricular volume change. This
 study will provide answers to persisting questions about volume changes during respiration in
 patients with constrictive pericarditis by directly measuring both right and left ventricular
 volume.
Subjects referred for right and left heart catheterization will be eligible.