cardiac

American  

[kahr-dee-ak] / ˈkɑr diˌæk /

adjective

1. of or relating to the heart.

   cardiac disease.

2. of or relating to the esophageal portion of the stomach.

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noun

1. Medicine/Medical. a cardiac remedy.

2. a person with heart disease.

cardiac British  

/ ˈkɑːdɪˌæk /

adjective

1. of or relating to the heart

2. of or relating to the portion of the stomach connected to the oesophagus

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noun

1. a person with a heart disorder

2. obsolete a drug that stimulates the heart muscle

cardiac Scientific  

/ kär′dē-ăk′ /

1. Relating to or involving the heart.

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Other Word Forms

• postcardiac adjective
• precardiac adjective

Etymology

Origin of cardiac

First recorded in 1400–50; late Middle English or directly from Middle French cardiaque, from Latin cardiacus, from Greek kardiakós, equivalent to kardí(a) heart + -akos -ac

Example Sentences

The cause of death, the brother-in-law was told, was cardiac arrest.

From The Wall Street Journal • Apr. 5, 2026

It’s been anything but a happy year for trainer Mark Glatt, whose wife of 25 years, Dena, died Feb. 12 from cardiac arrest at 57.

From Los Angeles Times • Apr. 4, 2026

That morning, she was in full cardiac arrest.

From Slate • Mar. 29, 2026

In 2017, he recovered from two cardiac arrests, then became mired in controversy two years later when he became the public face of arms company Glock, despite an epidemic of gun violence in the US.

From Barron's • Mar. 20, 2026

The professor had told her about doll’s eyes, another name for the white baneberry that could cause cardiac arrest.

From "Bone Gap" by Laura Ruby