心拍・心搏|しんぱくshinpaku[0]heiban (flat)

1. nounheartbeat

• Synonym鼓動こどうNeutralNeutral word for the heart's beating and the sound it makes, as in 「胸の鼓動」; carries a literary flavor.
• Synonym拍動はくどうWrittenWritten/formal prose, leaning medical: the heart's rhythmic beating, very close in sense to 「心拍」.
• Related脈拍みゃくはくNeutralNeutral term for the beat felt in an artery such as the wrist; it is about the pulse, while 「心拍」 is the heart's own beating, as in 「心拍数」.
• RelatedドキドキCasualColloquial onomatopoeia for the heart pounding; stresses the nervousness or excitement behind it.
• Related脈みゃくNeutralNeutral word for the pulse, but colloquially it has many senses — it can also mean hope, as in 「脈がある」.
• Related脈動みゃくどうWrittenWritten/formal prose for regular, continuous pulsation of the heart or blood vessels, or, figuratively, surging vitality; 「心拍」 means only the heartbeat, mostly in 「心拍数」.
• Related心悸しんきWrittenWritten/formal prose and a medical term for the heartbeat, often an uncomfortable one, as in 「心悸亢進」.

Use 「心拍」 for the beating caused by the heart's contractions, often in the medical and sports term 「心拍数」; for the beat felt in an artery say 「脈拍」, and for an emotional heartbeat 「鼓動」 or 「ドキドキ」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 心臓しんぞうの収縮しゅうしゅく運動うんどうに伴ともなう拍動はくどう。