sinus arrhythmia

sinus arrhythmia
a normal variation in the heart rate, which accelerates slightly on inspiration and slows on expiration. It is common in healthy individuals.

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  • Sinus arrhythmia — The normal increase in heart rate that occurs during inspiration (when you breathe in). This is a natural response and is more accentuated in children than adults. The sinus refers to the natural pacemaker of the heart which is called the… …   Medical dictionary

  • Respiratory sinus arrhythmia — (RSA) is a naturally occurring variation in heart rate that occurs during a breathing cycle. Heart rate increases during inspiration and decreases during expiration. Heart rate is normally controlled by centers in the medulla oblongata. One of… …   Wikipedia

  • sinus arrhythmia nonrespiratory — nonphasic a …   Medical dictionary

  • sinus arrhythmia respiratory — phasic a …   Medical dictionary

  • Sinus rhythm — The normal regular rhythm of the heart set by the natural pacemaker of the heart called the sinoatrial (or sinus) node. It is located in the wall of the right atrium (the right upper chamber of the heart). Normal cardiac impulses start there and… …   Medical dictionary

  • Sinus rhythm — is a term used in medicine to describe the normal beating of the heart, as measured by an electrocardiogram (ECG). It has certain generic features that serve as hallmarks for comparison with normal ECGs. ECG Structure There are typically five… …   Wikipedia

  • [ECG]; simian adenovirus; simulated annealing [algorithm]; sinoatrial; sinus arrest; sinus arrhythmia; skeletal age; skin-adipose [unit]; sleep apnea; slightly active; slowly adapting [receptor]; soluble in alkaline medium; Spanish American; specific activity; spectrum analysis; sperm abnormality; s — sinoatrial; sinoauricular …   Medical dictionary

  • Аритмия Синусовая (Sinus Arrhythmia) — нормальное изменение скорости сердечных сокращений, которая немного увеличивается во время вдоха и уменьшается во время выдоха. Синусовая аритмия часто встречается у здоровых людей. Источник: Медицинский словарь …   Медицинские термины

  • Arrhythmia — An abnormal heart rhythm. In an arrhythmia the heartbeats may be too slow, too rapid, too irregular, or too early. Rapid arrhythmias (greater than 100 beats per minute) are called tachycardias. Slow arrhythmias (slower than 60 beats per minute)… …   Medical dictionary

  • Arrhythmia, sinus — The normal increase in heart rate that occurs during inspiration (when you breathe in). This is a natural response and is more accentuated in children than adults. The sinus refers to the natural pacemaker of the heart which is called the… …   Medical dictionary

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