noun
tachycardia
tak-ih-KAH-dee-uh
noun
1
An abnormally fast resting heart rate, typically above 100 beats per minute.
"Too much caffeine can trigger short bouts of tachycardia."
"The doctor ordered an ECG to investigate his tachycardia."
How to Use Tachycardia
Learner’s notesIn plain EnglishA racing heartbeat, faster than what is considered normal at rest.
Easily confused with
bradycardia
Common pairings
a bout of tachycardia
sinus tachycardia
Word Forms
tachycardias plural
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “tachycardia”
A quick quiz — meaning, synonyms & usage
→
Fill the Gap
Can you complete this real example?
Too much caffeine can trigger short bouts of _____.
Etymology
From Ancient Greek takhus ("swift") and kardia ("heart"), built the same way as "bradycardia," its opposite.