First heart sound (S1)
Channel: Cardiology and Beyond
Date: 18/09/2020

Hi, in this video I introduce the basic concept behind the production of heart sounds along with the mechanisms of the first heart sound (S1). 

PDF link of slides:https://drive.google.com/file/d/1y2t52v-6Oyy9YYJoYjQjou7dkZ9C70Ir/view?usp=sharing

❓ Active recall questions:
1. What is the basic understanding behind the production of heart sounds?
2. What events produce the first heart sound?
3. What are the characteristics of a normal S1?
4. How does LV contractility affect intensity of S1?
5. How does PR interval affect intensity of S1?
6. How does intensity of S1 vary in complete heart block?

About me:
I am Dr. Sonali, an interventional cardiologist from India. I have a special interest in cardiology academics & teaching with an emphasis on building clear concepts with clinical correlation. My channel "Cardiology and Beyond" serves to achieve the same...I hope you find it useful in your clinical practice.

Connect with me: 
🐤Twitter: https://twitter.com/SonaliInamdar21
📸 Instagram: https://www.instagram.com/sonaliinamdar
📩 Email: cardiologyandbeyond@gmail.com

Whiteboard app: Explain Everything. 

References:
1. Clinical Examination in Cardiology, B.N. Vijay Raghawa Rao.
2. Clinical Methods in Cardiology, B Soma Raju.
3. Essentials of Cardiac Physical Diagnosis, Jonathan Abrams.
4. The Art and Science of Cardiac Physical Examination, N Ranganathan, V Sivaciyan, F B Saksena.