Echo findings in constrictive pericarditis Diagnosis of constrictive pericarditis is usually made using echocardiography is the presence of 1) increased pericardial thickness, 2) abnormal septal motion 3) pronounced respiratory variation in ventricular filling 4) The mitral lateral/medial E' ratio is reversed in the majority of patients with constrictive pericarditis 5) dilated inferior vena cava and hepatic vein,Hepatic venous diastolic flow reversal increases with expiration (the most specific