Heart Flashcards
1
Q
cardiothoracic ratio
A
1/2 (heart width/thoracic width)
2
Q
contents of superior mediastinum
A
roots of great vessels, aortic arch, ligamentum, arteriosum, thoracic duct
3
Q
contents of anterior mediastinum
A
thymus, retrosternal fat, nerves
4
Q
contents of posterior mediastinum
A
descending aorta, esophagus, vagus nerve
5
Q
contents of middle mediastinum
A
heart
6
Q
transverse pericardial sinus
A
permits expansion of great vessels during sytole
7
Q
oblique sinus
A
permits expansion of left atrium during exhalation
8
Q
auricles
A
primitive atria
9
Q
interventricular sulcus
A
permits the traveling of coronary arteries without getting crushed during heart beat
