NEJM on Twitter: "Videos in Clinical Medicine: Carotid Sinus Massage https://t.co/IxdzZy5ky6 https://t.co/70XOP36oLa" / Twitter
Internal medicine notes - Czermak-Hering test 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