What does pericardial mean?
Pericardial is a medical adjective meaning relating to the pericardium, the sac-like structure that surrounds and helps protect the heart. It appears in terms such as pericardial effusion, where fluid accumulates around the heart, and pericardial tamponade, in which pressure from fluid or blood prevents the heart from filling normally. The word is also used for the pericardial sac itself and for procedures or conditions affecting that sac. Its use is largely confined to medical and scientific contexts, so it carries a specialized, technical register rather than an everyday one. Etymologically, the term reflects the Greek roots peri, meaning 'around,' and kardia, meaning 'heart.' The related noun pericardium names the anatomical structure, while derivatives such as pericarditis describe inflammation of it.
adjectiveRelating to or affecting the pericardium, the sac surrounding the heart. In medicine, the term is commonly used for conditions involving this sac, such as fluid accumulation or compression of the heart.
- Relating to or affecting the pericardium, the sac surrounding the heart.
"The echocardiogram revealed a large pericardial effusion compressing the heart."
"The echocardiogram revealed a large pericardial effusion compressing the heart."
"Pericardial tamponade requires urgent medical attention."
The word that names the heart's protective outer sac also sounds like it means 'around the heart'—and etymologically, it does.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does pericardial come from?
The word comes through Latin from the Greek perikardion, a term formed from peri, 'around,' and kardia, 'heart.' English borrowed the form in the 16th century as pericardium, and the adjective pericardial developed from that noun. Its relatives include pericarditis, pericardiectomy, and pericardiotomy, all sharing the same anatomical root.
Related word forms
How pericardial is actually used
This is a formal medical term, used chiefly in cardiology, emergency medicine, and surgery. It normally appears in technical expressions concerning the heart's surrounding sac rather than in everyday conversation.
Easily confused with pericardial
Pericardial is an adjective describing something relating to the pericardium, whereas pericardium is the noun naming the sac surrounding the heart.