ATLS shock

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Definition of shock
Inadequate tissue perfusion and oxygenation

Basic cardiac pathophysiology
Preload = Right atrial pressure – Mean systemic venous pressure
1. Venous volume that serves as reservoir
2. Venous volume that contributes to MSVP

Myocardiac contractility
Preload determines fiber length according to Starling law

Afterload : resistance to the forward flow of blood

출처 : 해피캠퍼스