🫀 Anatomy of Heart Sounds: Musculoskeletal Chest Wall . I’ve been told there’s actually a precise science behind listening for heart sounds. Cardiac auscultation spots - Chest Roadmap for the “Big Four” heart valve sounds: 🎯 AORTIC VALVE: Right 2nd intercostal space, right sternal border, where the ascending aorta comes closest to the chest wall, making those aortic sounds crystal clear (for most) 🎯 PULMONIC VALVE: Left 2nd intercostal space, left sternal border - Perfect for catching those p