Littman stethoscope, The ability to hear more solid and refined sounds helps to isolate the subtle sounds, so you can hear thepatient's changes in the most critical and challenging environment. Helps you listen to sounds that are hard to hear, includingautonomic nervous chord stenosis, S3 pulsating sound, and faint lung abnormalities. It is suitable for intensive care andchallenging environments, such as ED, ICU, cardiac ICU, dynamic environments such as emergency department, antihypertensive ward,etc. Walk-in devices and other dynamic positions to hear subtle changes in patient status. Please rest assured to diagnose andmake a decision.