What does "arrhythmia" mean?

An irregular heartbeat; a lack of a regular pulse.

How do you pronounce "arrhythmia"?

Pronounced //eɪˈɹɪð.mɪ.ə//.

Common synonyms include: dysrhythmia, angina, apoplexy, arrhythmia treatment, arteriosclerosis, atherosclerosis.

/eɪˈɹɪð.mɪ.ə/ noun

noun ·Uncommon ·College level

Noun

1
An irregular heartbeat; a lack of a regular pulse. countable, uncountable
2
an abnormal rate of muscle contractions in the heart wordnet
3
A disease entity involving such beats, such as atrial fibrillation, ventricular tachycardia, AV nodal reentrant tachycardia, or others. countable, uncountable

"My family has a history of cardiac arrhythmia."

Borrowed from New Latin arrhythmia, from Ancient Greek ἀρρυθμία (arrhuthmía), equivalent to a- + rhythm + -ia.