- Auscultatory Zones
- Aortic: RUSB (right upper sternal border)
- Pulmonic: LUSB (left upper sternal border)
- Tricuspid: 4LICS (4th left intercostal space), on the sternal border
- Mitral: 5 LICS (5th left intercostal space), several cm lateral to the 4LICS
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