Cardiac Physiology..."blood goes 'round and 'round.."

So blood goes around and around and in and out!  What are the determinants of SVR?  What is preload, afterload and contractility.  How do we affect inotropy, chronotropy and dromotropy?  

Start here with the basics of cardiac physiology.  What is the law of LaPlace and how does it relate to cardiac physiology.  Some of your basic questions answered here.

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