Coronary perfusion pressure
Encyclopedia
Coronary perfusion pressure (CPP) refers to the pressure gradient
that drives coronary blood pressure
, meaning the difference between the aortic diastolic pressure and the right atrial pressure. It is a term used mainly in research concerning cardiac arrest
. In this context, it is assumed that the minimum CPP needed for a successful outcome is 15mm Hg.
Coronary Perfusion Pressure (CPP)is a part of normal blood pressure, that is specifically responsible for coronary blood flow. CPP is also, generally, a surrogate term for coronary blood flow.
During cardiac arrest, CPP is one of the most important variables in achieving Return Of Spontaneous Circulation (ROSC equals getting a pulse again after pulseless arrest). We need a minimum amount of coronary perfusion pressure to achieve ROSC. This is thought to be 15 mmhg at a minimum.
Gradient
In vector calculus, the gradient of a scalar field is a vector field that points in the direction of the greatest rate of increase of the scalar field, and whose magnitude is the greatest rate of change....
that drives coronary blood pressure
Blood pressure
Blood pressure is the pressure exerted by circulating blood upon the walls of blood vessels, and is one of the principal vital signs. When used without further specification, "blood pressure" usually refers to the arterial pressure of the systemic circulation. During each heartbeat, BP varies...
, meaning the difference between the aortic diastolic pressure and the right atrial pressure. It is a term used mainly in research concerning cardiac arrest
Cardiac arrest
Cardiac arrest, is the cessation of normal circulation of the blood due to failure of the heart to contract effectively...
. In this context, it is assumed that the minimum CPP needed for a successful outcome is 15mm Hg.
Coronary Perfusion Pressure (CPP)is a part of normal blood pressure, that is specifically responsible for coronary blood flow. CPP is also, generally, a surrogate term for coronary blood flow.
During cardiac arrest, CPP is one of the most important variables in achieving Return Of Spontaneous Circulation (ROSC equals getting a pulse again after pulseless arrest). We need a minimum amount of coronary perfusion pressure to achieve ROSC. This is thought to be 15 mmhg at a minimum.