Anatomy - The Heart Flashcards
where do the phrenic nerves descend relative to the hilum?
anteriorly
where do the vagus nerves descend relative to the hilum?
posteriorly
what covers the anterior surface of the heart?
epicardium
what is another name for the epicardium?
visceral serous pericardium
what are the two types of pericardium?
serous
fibrous
what are the two layers of the serous pericardium?
visceral (in contact with the heart)
parietal (in contact with the fibrous pericardium)
where is the pericardial cavity located and what does it contain?
between the two layers of serous pericardium
pericardial fluid
what internally lines the fibrous pericardium?
the parietal serous pericardium
what is haemopericardium?
when the pericardial cavity fills with blood
what is pericardiocentesis?
the drainage of fluid from the pericardial cavity
where is the needle inserted for pericardiocentesis?
via the infrasternal angle, superposteriorly into the pericardial cavity
where is the transverse pericardial sinus located?
in the pericardial cavity, posterosuperiorly
posterior to the ascending aorta and pulmonary trunk
what area is used to identify and isolate the great vessels during cardiac surgery?
the transverse pericardial sinus
finger emerges anterior to the SVC
what does the pulmonary trunk divide into?
the right and left pulmonary arteries
what are the three clinically important surfaces of the heart?
anterior (aka sternocostal)
base (aka posterior)
inferior (aka diaphragmatic)
what are the four clinically important borders of the heart?
right
left
inferior
superior
where is the apex of the heart found?
fifth left intercostal space, midclavicular line
what effect can cardiomegaly have on the apex of the heart?
shift it to the left