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Dr. Stefan Dierkes
Dr. Stefan Dierkes
Stefan Dierke's special expertise lies in the diagnosis and therapy of cardiac arrhythmias using pacemakers and defibrillators. He benefits from 14 years of experience in various clinics. To date, Dr. med. Stefan Dierkes has performed more than 15,000 ECGs alone in his cardiological career. To the profile.

Why it is normal for the heart rate to fluctuate


The rhythms of breathing and heart are coupled: When breathing in, the heart rate goes up, when breathing out, it goes down. This so-called respiratory sinus arrhythmia (= RSA) is usually a sign of health - and not a cardiac arrhythmia. The autonomic nervous system can be consciously influenced via breathing.

During an RSA measurement, it is checked how the heart rate changes during a quiet breathing cycle (6 breaths) and how it increases during inhalation. A special procedure where this coupling is measured over more than 3 minutes is the heart rate variability analysis.

If the RSA is severely reduced, this is not a good sign: "If the heart becomes as regular as the knocking of a woodpecker, the patient will die within four days," said the Chinese physician Wang Shu-he (180 to 270 AD).

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 Cardiopraxis - Cardiologists in Düsseldorf & Meerbusch

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