Cardiology - Vasculature Flashcards
What are the 5 vascular structures?
Coronary arteries, brachiocephalic trunk, subclavian arteries, common left carotid arteries, and the ligamentum arteriosum
The ligamentum arteriosum is the remnant of what embryologic structure?
Ductus arteriosus
What spinal bone regions are the Key landmarks of the cardiac arteries? (there are 5 total)
T12, L1, L2, L3, and L4
In T12 key landmark, What is the importance of this landmark for the Cardiac arteries?
1.)
2.)
1.) Descending aorta transverses the diaphragm via aortic hiatus
2.) origin of the celiac trunk
In L1 key landmark, What is the importance of this landmark for the Cardiac arteries?
1.)
2.)
1.) Superior mesenteric artery origin
2.) Right renal arteries origin
In L2 key landmark, What is the importance of this landmark for the Cardiac arteries?
1.)
2.)
1.) Left renal artery origin
2.) Gonadal arteries origin
In L3 key landmark, What is the importance of this landmark for the Cardiac arteries?
its the Inferior mesenteric artery origin
In L4 key landmark, What is the importance of this landmark for the Cardiac arteries?
the site of bifurcation into common iliac arteries (at naval)
- The abdominal aorta bifurcates here..
What is the brachiocephalic artery only connected to?
Right common carotid artery and right subclavian artery
What only two arteries branch off the aortic arch?
Left common carotid coronary artery and left subclavian arteries
What is the area between the ligamentum arteriosum and the left subclavian artery known as?
The Aortic Isthmus
At what point does the descending aorta become the abdominal aorta?
Once it surpasses the diaphragm
In general, the _______ is superior to ______ for visualization of the left atrium, mitral valve, and descending aorta
TEE is superior to TTE
What is the etiology of Subclavian Steal Syndrome?
primarily Atherosclerosis; Takayusu arteritis, and previous thoracic (aortic) surgery
What is the pathophysiology of subclavian steal syndrome?
Subclavian stenosis causing contralateral vertebral artery steal phenomena
What are the presentations of Subclavian steal syndrome?
Ipsilateral limb ischemia, asymmetric BP between upper extremities, dizziness, diplopia, syncope, worsening of symptoms during activity of affected limb