Lecture 1 Flashcards
Where is the transverse pericardial sinus?
Posterior to the ascending aorta and pulmonary trunk
What is the transverse pericardial sinus used for?
To identify the great vessels to commence CABG
If the pericardial cavity fills with blood?
Haemopericardium
What is it called when pressure around the heart an prevent cardiac contraction?
Cardiac tamponade
What happens in pericardiocentesis?
A needle is inserted via the infrasternal angle (bare area) and directed supero-posteriorly, aspirating cautiously
Where is the apex beat normally found?
Left 5th ICS mid clavicular line
What is and where is the coronary sinus?
A short venous conduit in the atrioventricular groove posteriorly
receives deoxygenated blood from cardiac veins and drains into the RA
What are the first branches of the aorta?
Coronary arteries
Where do the coronary arteries arise from?
The right and left aortic sinuses in the aortic valve
Which valve is the only one with 2 cusps?
Mitral
What is and where is the ligamentum arteriosum?
remnant of the ductus arteriosus
connects PT to arch of the aorta
What do the cardiopulmonary splanchnic nerves carry?
sympathetic nerves to chest organs and pain visceral afferents from chest organs
Which vessels are used for CABG?
Radial artery
Internal thoracic (mammary) artery
great saphenous vein
What supplies the interventricular septum with oxygenated blood?
LAD and posterior interventricular artery
What is the thymus gland?
Organ of the anterior mediastinum that produces T lymphocytes in childhood and is replaced by adipose tissue after puberty
