Last Updated：2025/12/06

Dictionary quizzes to help you remember the meaning

Dictionary quizzes to help you remember the meaning

cardiothoracic ratio

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Source Word

cardiothoracic ratio

(medicine) The ratio (MRD + MLD) / ID, where MRD is the greatest perpendicular diameter from midline to right heart border; MLD is the greatest perpendicular diameter from midline to left heart border; and ID is the internal diameter of the chest at the level of the right hemidiaphragm.

Japanese Meaning

医学において、心胸比とは、胸部内径に対する心臓サイズの比率を指します。具体的には、右心側（midlineから右心縁までの最大垂直径）と左心側（midlineから左心縁までの最大垂直径）の合計を、右横隔膜レベルで計測される胸郭内径で割った値です。

What is this buttons?

The cardiothoracic ratio measured on the chest radiograph increased from 0.48 to 0.56, indicating progressive cardiomegaly.

Google Translation / DeepL Translation

胸部X線で測定した心胸比は0.48から0.56に増加し、心臓肥大の進行を示している。

Sense（1）

(medicine) The ratio (MRD + MLD) / ID, where MRD is the greatest perpendicular diameter from midline to right heart border; MLD is the greatest perpendicular diameter from midline to left heart border; and ID is the internal diameter of the chest at the level of the right hemidiaphragm.

cardiothoracic ratios

（ plural ）

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