Mastering Second Heart Sound - S2 Splitting

Explore the intricacies of the second heart sound (S2) and its various splitting patterns in this 23-minute medical lecture. Delve into the four types of S2 splitting: physiological, wide, fixed, and paradoxical. Understand the hemodynamic events that produce S2, including the aortic closure sound (A2) and pulmonic closure sound (P2). Learn how these components normally split during inspiration and merge during expiration. Gain valuable insights into the significance of S2 in marking the end of ventricular contraction and the onset of ventricular diastole. Perfect for medical students and healthcare professionals seeking to enhance their knowledge of cardiac auscultation and diagnosis.