Last Updated：2025/11/22

Dictionary quizzes to help you remember the meaning

Dictionary quizzes to help you remember the meaning

EF

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Source Word

EF

Noun

abbreviation alt-of initialism

(medicine, cardiology) Initialism of ejection fraction.

Japanese Meaning

心臓の駆出率（心臓が送り出す血液の割合を示す指標）

What is this buttons?

The cardiologist noted that the patient's EF had dropped to 35%, indicating systolic dysfunction.

Google Translation / DeepL Translation

担当の循環器医は、患者の駆出率が35%に低下しており、収縮機能障害を示していると指摘した。

Sense（1）

(medicine, cardiology) Initialism of ejection fraction.

EFs

（ plural ）

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