👉 Sphygmophone is a device used to measure blood pressure by recording the sound of the heartbeat. It was first invented in 1846 and has since been widely used for measuring blood pressure in many countries around the world.
👉 Sphygmophone is a device used to measure blood pressure by recording the sound of the heartbeat. It was first invented in 1846 and has since been widely used for measuring blood pressure in many countries around the world.
