Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A, Four chamber view of the heart taken during the first cardiological evaluation shows normal structure and dimensions of cardiac chambers, without pericardial effusion. B, Four chamber view of the heart four days after the previous one shows a 2 to 3 mm pericardial effusion in the lateral‐posterior pericardial space (arrow)
