Brachycardia vs. Bradycardia - What's the difference?

Brachycardia

Bradycardia is a condition wherein an individual has a slow heart rate, typically defined as a heart rate of under 60 beats per minute (BPM) in adults. Bradycardia typically does not cause symptoms until the rate drops below 50 BPM. When symptomatic, it may cause fatigue, weakness, dizziness, sweating, and at very low rates, fainting. During sleep, a slow heartbeat with rates around 40–50 BPM is common, and is considered normal. Highly trained athletes may also have athletic heart syndrome, a very slow resting heart rate that occurs as a sport adaptation and helps prevent tachycardia during training. The term relative bradycardia is used in explaining a heart rate that, although not actually below 60 BPM, is still considered too slow for the individual's current medical condition.

Bradycardia

Bradycardia is a condition wherein an individual has a slow heart rate, typically defined as a heart rate of under 60 beats per minute (BPM) in adults. Bradycardia typically does not cause symptoms until the rate drops below 50 BPM. When symptomatic, it may cause fatigue, weakness, dizziness, sweating, and at very low rates, fainting. During sleep, a slow heartbeat with rates around 40–50 BPM is common, and is considered normal. Highly trained athletes may also have athletic heart syndrome, a very slow resting heart rate that occurs as a sport adaptation and helps prevent tachycardia during training. The term relative bradycardia is used in explaining a heart rate that, although not actually below 60 BPM, is still considered too slow for the individual's current medical condition.

Brachycardia vs. Bradycardia

Brachycardia

Table of contents

1. Noun

Bradycardia

Table of contents

1. Etymology
          3.1. Synonyms
          3.2. Derived terms

Brachycardia

1. Noun

brachycardia (countable and uncountable, plural brachycardias)

  1. Synonym of bradycardia

Bradycardia

1. Etymology

From Ancient Greek βραδύς (bradús, slow) and καρδία (kardía, heart).

2. Pronunciation

  • Rhymes: -ɑː(ɹ)diə

3. Noun

bradycardia (countable and uncountable, plural bradycardias)

  1. The condition of having a slow heartbeat, defined as under 60 beats per minute for an adult.

3.1. Synonyms

  • brachycardia

3.2. Derived terms

  • bradycardiac
  • bradycardic

4. See also

  • tachycardia
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