Cardio Flashcards
Which part of the mediastinum does the heart lie in?
Middle
Which part of the heart makes up the apex
Left ventricle
What lies between the visceral and parietal pericardium?
Fluid filled pericardial space
Which nerve innervates the diaphragm?
Phrenic (C3,4,5)
Name 5 features of the RIGHT atrium
- Openings for IVC, SVC and coronary sinus
- Interatrial septum
- Fossa ovals (reminent of Foramen ovale)
- Musculi Pectinate
- Crista terminals
Which part of the heart houses the moderator band?
right ventricle
What is the function of the moderator band?
Prevents overdistension of the right ventricle
Where can trabecular carnae be found?
In the ventricular walls
What is the function of the trabecular carnae?
Prevent the walls of the ventricles from being suctioned together
Which chamber of the heart has completely smooth walls?
Left atrium
Which chamber of the heart forms the base (posterior border) of the heart?
Left atrium
What is the name of the muscle which contracts to pull open the heart valves/
Papillary muscle
Name the structure that connects the papillary muscle to the heart valve
Chordae tendinae
Name the valve that lies between the left atria and the left ventricle
The mitral (bicuspid) valve
Name the valve that lies between the left ventricle and the aorta
The aortic valve
Name the valve that lies between the right atrium and the right ventricle
Tricuspid valve
name the valve that lies between the right ventricle and the pulmonary arteries
Pulmonary valve
Which heart valve has a different number of cusps compared to the rest?
Mitral valve only has 2 cusps- the rest all have 3