is pericardial effusion contagious
February 21, 2010 - 1:15pm. Hi, Pericarditis is not contagious (it is the inflammation of the fluid-filled sac around the heart), but if your boyfriend has been diagnosed with pericarditis that is caused by a viral infection, then it is important to know what the viral infection is caused from.ebruary 21, 2010 - 1:15pm. Hi, Pericarditis is not contagious (it is the inflammation of the fluid-filled sac around the heart), but if your boyfriend has been diagnosed with pericarditis that is caused by a viral infection, then it is important to know what the viral infection is caused from.