Gross Anatomy of Heart and Coronary Circulation Flashcards
What are the four chambers of the heart?
Right atrium
Left atrium
Right ventricle
Left ventricle
State the five great vessels
Aorta Inferior Vena Cava Superior Vena Cava Pulmonary Arteries Pulmonary Veins
What is the only artery carrying deoxygenated blood?
Pulmonary artery
What is the only vein carrying oxygenated blood?
Pulmonary vein
Where does the apex of the heart sit?
5th intercostal space, mid-clavicular line
The serous pericardium is divided into two continual layers - what are they called?
Visceral pericardium
Parietal pericardium
The visceral pericardium is also known as?
The epicardium
The heart is comprised of three layers - what are they called?
Endocardium
Myocardium
Epicardium
What are the two pericardial sinuses?
Transverse pericardial sinus
Oblique pericardial sinus
What is an auricle?
The protrusion of the surface wall of each atrium
Which major artery leaves the left ventricle and bifurcate into?
Pulmonary trunk
Bifurcates into left and right pulmonary artery
Of the two, which are thicker walled - the ventricles or atria?
The ventricles
The bpm of the Atria is?
60 bpm
The bpm of the Ventricle is?
40 bpm
Which ventricle is more thicker walled - right or left?
Left
The right atrium receives blood from where?
Superior Vena Cava
Inferior Vena Cava
Coronary Sinus
Which valve connects the Right Atria and Right Ventricle?
Tricuspid valve
Which valve connects the Left Atria and the Left Ventricle?
Mitral / Bicuspid valve
The chordae tendineae are controlled by..?
The papillary muscles
What is the supposed function of the Trabeculae Carnae?
Preventing the sticking of ventricular walls together during systole
Coronary arteries are the only arteries that fill during…?
Diastole
Which arteries are the only ones that fill during diastole?
Coronary arteries
What are the four branches of the right coronary artery?
- SAN branch
- AVN branch
- Right marginal branch
- Posterior interventricular branch
What are the two branches of the left coronary artery?
- Circumflex
- Anterior interventricular branch
What are the eight cardiac veins?
Coronary sinus Anterior cardiac vein Great cardiac vein Middle cardiac vein Small cardiac vein Smallest cardiac vein Left marginal vein Left posterior ventricular vein
