Flashcards in gross anatomy of heart and pericardial sac Deck (13):
the normal volume of pericardial fluid within the pericardial cavity of an adult is about
what is the importance of the pericardial fluid?
important in reducing friction between the beating heart and the pericardial sac
superior portion of mediastinum
inferior portion of mediastinum
lateral portion of mediastinum
anterior portion of mediastinum
posterior portion of mediastinum
the 4 chamber structure permits
-the separation of oxygenated and deoxygenated blood which is critical for meeting the o2 demands of tissues
-pressure differentials between circuits
mixing of blood is devastating and can be seen when...
fetal shunts don't close
the inability to create or regulate pressure differentials is devastating and can be seen when ....
in heart failure
functions of the pericardium (sac and fluid)
prevents heart from sticking
support during relaxation
too much fluid in the pericardial sac