• Cleve Clin J Med · Apr 2009

    Review

    Heart rate variability with deep breathing as a clinical test of cardiovagal function.

    • Robert W Shields.
    • Neuromuscular Center, Cleveland Clinic, 9500 Euclid Avenue, S90, Cleveland, OH 44195, USA. shieldr@ccf.org
    • Cleve Clin J Med. 2009 Apr 1; 76 Suppl 2: S37-40.

    AbstractResearch into heart rate variability (HRV) and respiration over the past 150 years has led to the insight that HRV with deep breathing (HRVdb) is a highly sensitive measure of cardiovagal or parasympathetic cardiac function. This sensitivity makes HRVdb an important part of the battery of cardiovascular autonomic function tests used in clinical autonomic laboratories. HRVdb is a reliable and sensitive clinical test for early detection of cardiovagal dysfunction in a wide range of autonomic disorders.

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