[Usefulness of M-mode echocardiography, two-dimensional and Doppler, in the study of pericardial diseases].

The objective of this communication is to determine utility of echocardiography M mode, two-dimensional and Doppler, in the diagnosis and follow-up of patients with pericardial disease. This procedure was used initially to the diagnosis of pericardial effusion, actually it has a lot of new applications. It's noninvasive and low cost, and would give us important information about our patients.