http://www.fpnotebook.com/
S4 Heart Sound
Aka: S4 Heart Sound, S4 Gallop, S4 Gallup Rhythm, Fourth Heart Sound- Signs
- S4, S1, S2 Sound like "Ten-ne-see" (dub-lub-dub)
- Causes
- Normal in athletes and the elderly
- Stiff Left Ventricle
- Resources
- University of Washington - Third and Fourth Heart Sounds