Czermak–Hering test
| Czermak–Hering test | |
|---|---|
| Purpose | test for autonomic nervous function |
The Czermak–Hering test is a vagal maneuver consisting of the application of external digital pressure to the carotid sinus. 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.