👉 A procedure in which an opening is made in the wall of a heart, usually to remove any blood clots or other substances that may be causing blockages. This can sometimes be done by using a special tool called a "pericardial patch," which is inserted into the wall of the heart to create a small hole for the purpose of removing the clot. Pericardiotomy can be used in cases where there are serious blockages or blockage that cannot be removed with other methods
