What does S1 stand for?

First Heart Sound

This definition appears very rarely and is found in the following Acronym Finder categories:

Science, medicine, engineering, etc.

Other Resources:

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Samples in periodicals archive:

Other heart cavities were in normal size and their functions were normal On his physical examination blood pressure was 120/80 mmHg, heart rate 100 /min and first heart sound was decreased.

Giant metastatic left atrial tumor leading to pulmonary edema/Akciger ...

Laennec distinguished two heart sounds but attributed the first heart sound to ventricular systole and the second sound to atrial systole.

The Legacy of Laennec

Physical examination was significant for a loud first heart sound, a grade III pansystolic murmur at the apex.

Live three-dimensional transthoracic echocardiography in the ...