👉 Perichtia is a term that refers to a type of pericardial effusion, which is a condition in which there is an excess fluid accumulation within the space between the layers of the heart's walls. Pericardial effusion occurs when fluid from the blood vessels in the lining of the heart gets trapped and prevents it from flowing out properly, causing pressure to build up in the pericardium (the white membrane covering the heart). This can cause symptoms such as chest pain
