Online Google Dictionary

bradycardia 中文解釋 wordnet sense Collocation Usage Collins Definition
Noun
/ˌbradiˈkärdēə/,
Font size:

Abnormally slow heart action,
  1. Abnormally slow heart action

  1. abnormally slow heartbeat
  2. Bradycardia (Greek βραδυκαρδία, bradykardía, "heart slowness"), as applied to adult medicine, is defined as a resting heart rate of under 60 beats per minute, though it is seldom symptomatic until the rate drops below 50 beat/min. ...
  3. The condition of having a slow heartbeat, defined as under 60 beats per minute for an adult
  4. 60 or fewer heartbeats a minute.
  5. An abnormally low heart rate. Bradys are usually associated with apnea in premature infants. During these spells the infant will stop breathing for at least 15 seconds and the heart rate will start to slow, also referred to as an “A&B spell. ...
  6. relatively slow heart action whether physiological or pathological
  7. a heart beat rate of less than 60 beats per minute in a resting adult. Symptoms include fainting, dizziness, tiring easily especially during physical activity, shortness of breath, disturbed sleep, mental confusion, and fatigue. ...
  8. is due either to altered pacemaker function of the sinoatrial node or an interrupted impulse conduction through the natural electrical pathways of the heart.
  9. A slow heartbeat with pulse rate below 60/minute.
  10. Excessively slow heart rate. Usually transient and often associated with apnea and desaturation.
  11. A heart rate that is slower than normal.
  12. The fluid circulating through the heart, arteries and veins. Blood is responsible for transporting oxygen to body tissues, carrying waste products away from the tissues and delivering a wide variety of biochemical substances through out the body
  13. Slow heartbeat. In a normal adult, a heart rate under 60 is considered bradycardic in most circumstances. However, some people have a normal resting pulse lower than this, usually athletes.
  14. A heart rate that is abnormally slow; commonly defined as under 60 beats per minute or a rate that is too slow to physiologically support a person and their activities.
  15. n. A decrease in heart rate. In adults, bradycardia is defined as a HR of less than 60 beats per minute. In the fetus, bradycardia is defined as a baseline HR of less than 120 bpm. ...
  16. When the heart rate temporarily slows down.
  17. A slow but steady heartbeat at a rate of less than 60 beats per minute. Bradycardia is normal during sleep and in well-conditioned athletes. In other circumstances, it may indicate an abnormal condition, such as brain tumor or digitalis toxicity.
  18. A slower than normal heart rate. The heart usually beats between 60 and 100 times a minute in an adult at rest. With bradycardia, the heart beats fewer than 60 times per minute. Bradycardia can be a serious problem if the heart doesn’t pump enough oxygen-rich blood to the body. ...
  19. it refers to a heart rate of less than 60 bpm.
  20. Monitors have certain limits for heart rate and respiratory rate. If a baby s heart rate slows down, the monitor will alarm. Usually this occurs because the baby s respiratory function is immature, causing the heart to respond by beating more slowly.
  21. A physiological mechanism by which the heart rate is able to be slowed in order to use oxygen most efficiently; used by some animals during times of oxygen depravation such as deep water dives.
  22. slowness of heartbeat or heart action.
  23. a slower then normal heartbeat rate; in infants, below 80-100 beats per minute
  24. (pronounced bray-dee-car-dee-ah). A condition in which the heart beats at less than 60 beats per minute. This heart rate may be too slow or irregular to meet the body's demands. (This is different than a physically fit person who may have a heart rate below 60. ...
  25. The slowing of the heart beat. In divers, it’s triggered by immersion of ones’ face in cold water (see diving reflex).