What is the significance of a narrowly split S1?
It reflects the audible separation of M1 and T1, a normal phenomenon that may at times be detected by
listening over the lower left sternal border/epigastric area (where the tricuspid component is louder and thus
easier to separate from its mitral counterpart).
It reflects the audible separation of M1 and T1, a normal phenomenon that may at times be detected by
listening over the lower left sternal border/epigastric area (where the tricuspid component is louder and thus
easier to separate from its mitral counterpart).