noun
vitals; vital organs
Medical and everyday term for the body's essential organs, especially heart, lungs, and brain. Also used in contexts like 'checking vitals' (vital signs).
救急隊員はまず患者のバイタルズを確認した。
The paramedics first checked the patient's vitals.
バイタルズに異常がなければ、手術は予定通り行われる。
If there are no abnormalities in the vital organs, the surgery will proceed as scheduled.