Most common manifestation of cardiac lupus is-
Pericarditis
Myocarditis
Libman-Sacks endocarditis
Aoic regurgitation
the most common manifestation of cardiac lupus is pericardial inflammation or pericarditis Pericarditis. Pericarditis is the most common hea problem associated with active lupus and occurs in about 25% of people with SLE. The condition occurs when the pericardium--the thin membrane surrounding your hea--becomes swollen and irritated, causing it to leak fluid around the hea. Ref Davidson 23rd edtion pg 470
C.V.S