Flashcards in Anatomy exam 2 Deck (13):
What vertebral level is the sternal angle (transverse thoracic plane) at?
What vertebral angle is the bottom of the heart at?
What spinal level is the phrenic nerve?
What is a "water-bottle" silohuette on chest xray indicative of?
Pericardial effusion. An acute pericardial effusion is a cardiac tamponade
What is becks triad?
muffled heart sound, jugular distension, and low arterial pressure
Where is the transverse pericardial sinus?
behind the pulmonary trunk and aorta; permits expansion of vessels during systole
what is the oblique sinus?
permits expansion of LA during exhalation
Where is the coronary sulcus? Where is the anterior interventricular sulcus?
between the right auricle and right ventricle; between right and left ventricles
Which layer is thickened in coronary artery disease?
What arteries are most suscepitble to coronary artery disease?
1. left anterior descending
2. Right coronary artery
3. left circumflex
When does coronary artery perfusion take place?
during diastole when the myocardium is relaxed
what is the innervation of the heart? (parasympathetic and sympathetic)
parasympathetic- CN X-vagus