Cardio anatomy Flashcards
Where does the left coronary arise from? What are its two main braches?
Aorta
Circumflex and anterior intraventricular
At what level do the aorta and IVC pass through the diaphragm?
T12–aorta
T8–IVC
What does the azygous vein drain?
Hemiazygous
Accessory
Name 3 structures in the posterior mediastinum?
Aorta Azgous IVC Trachea Phrenic Nerve
What is function of coronary sinus?
Delivers de-oxygenated blood to right atrium of heart
Name the valve which lies between the left atrium and ventricle? How many cusps does it have?
Mitral valves
Two
Name the layers of the pericardium?
Fibrous pericardium, parietal membrane, pericardial cavity and epicardium
Where can trabeculae carnae be found?
Ventricles
Where is SA node found and what its its function?
Right atrium
Acts as pacemaker
At which vertebral level does the arch of the aorta arise?
T4
Which coronary artery supplies the SA node?
The right coronary artery
Which nerve plexus does the heart get its innervation from and where is this situated?
Cardiac Plexus
T1-4
Which structures unite to form the superior vena cava?
IVC and Azygous
Left and right brachial vein
What is the sensory nerve supply to the pericardium?
Via Phrenic
Where does thoracic duct drain into?
Left subclavian
Name 3 structures in the posterior mediastium?
Trachea
Oesophagus
vagus
What happens to the abdominal aorta at vertebral level L4?
Bifurcates to l and r common iliac artery
What connects the basilic and cephalic veins in the arm and why is this structure clinically important?
Median cubital
Where blood is taken from
Where can the tibialis posterior arterial pulse be felt?
Inferior to malleolus
At the 6th intercostal space the internal thoracic artery divides into which terminal branches?
Musculophrenic and superior epgiastric arteries
The left atrium posses:
A bicuspid valve leading into the left ventricle
The right ventricle possesses?
a septomarginal trabeculum
The right coronary artery?
anastomoses with the circumflex artery
The intrinsic rhythmicity of the myocardium is controlled by?
A pacemaker situated adajcent to the opening of the inferior vena cava in the right atrium
The apex of the heart lies ?
5th left intercostal space on the midaxillary line
The radial artery is found where?
Lateral side of arm
What does transverse process articulate with?
Tubercle of rib
