Heart Sounds S1 'link' Here

Mr. Abadi nodded. He wrote a poem that night, which he later read to her:

Later that night, alone in the on-call room, Elara pressed her own stethoscope to her chest. heart sounds s1

As Emily listened, she began to pick out the individual sounds. The S1, or first heart sound, was like a gentle "lub" that marked the beginning of each heartbeat. It was caused by the closure of the mitral and tricuspid valves, which separated the heart's chambers. alone in the on-call room

Emily nodded, her eyes wide with wonder. "It sounds like... a lub-dub, lub-dub." or first heart sound