| NOUN | act | heart surgery | any surgical procedure involving the heart |
|---|
| Meaning | Any surgical procedure involving the heart. | |
|---|---|---|
| Narrower | closed-heart surgery | heart surgery in which a small incision is made (the chest cavity is not opened) |
| open-heart surgery | heart surgery in which the rib cage is spread open, the heart is stopped and blood is detoured through a heart-lung machine while a heart valve or coronary artery is surgically repaired | |
| Broader | operation, surgery, surgical operation, surgical procedure, surgical process | A medical procedure involving an incision with instruments |
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