Английская Википедия:Czermak–Hering test
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Шаблон:Infobox diagnostic The Czermak–Hering test is a vagal maneuver consisting of the application of external digital pressure to the carotid sinus.[1] The test is performed at the patient's bedside by imposing moderate pressure with the fingers, repeatedly massaging the left or the right carotid arteries.
Effects
The Czermak–Hering test is a test for autonomic nervous function (vasovagal response), exerting:[2]
- Bradycardia
- Hypotension
- Decrease of blood flow in the brachial artery
- Alterations in the blood flow in the internal carotid artery.
Physiology
Johann Nepomuk Czermak stated that mechanical compression of the carotid artery due to the carotid sinus reflex initiates a stimulus of the heart inhibitory branches of the vagus nerve.[3]
See also
References
