Sam's Random Notes Flashcards
● Superior to the abdominal aortic bifurcation is a common site of ____ formation. 75% are asymptomatic and 90% of ruptured AAA are fatal
abdominal aortic aneurysm
● Carotid Endarterectomy - Surgery for removal of atheroma blocking the carotid arteries/sinus.
○ Dangerous bc can result in a stroke caused by a detached embolus or you could slice the cranial nerves ____
○ Remember the sinus causes turbulent flow (this can be heard by a trained ear)
X and XII
● ____ tracheotomy could result in a lot of blood flow should this variant structure be punctured; lies on superficial thyroid.
thyroid ima
● Facial ____ is Tortuous but not the ____
artery
vein
● SCM vascularized by: ____ & ____ branches of ECA
superior thyroid
occipital
● Dura of cranial fossa vascularized by:
○ Anterior cranial fossa ← ____ branch of cavernous branch of ICA
○ Middle ← ____ branch of mandibular branch of maxillary of ECA
○ Posterior cranial fossa ← ____ branch of ascending pharyngeal branch of ECA + ____ branch of occipital branch of ECA
meningeal
middle meningeal
neuromeningeal
meningeal
● Anastomosis of ECA with ICA:
○ Sources of anastomosis network in the middle ear cavity:
■ Superior Tympanic from Middle Meningeal from Maxillary branch of ECA
■ Anterior tympanic from Maxillary branch of ECA
■ ____ from ____
■ Stylomastoid from Posterior Auricular from ECA
■ Inferior tympanic from Ascending pharyngeal from ECA
■ Deep Auricular from Maxillary ECA
*Know the 1 branch of the ICA that supplies it, because the rest are ECA
○ ____ of ECA with ICA in the ____ connective tissue layer of scalp
coricotympanic
ICA
superficial temporal
● Kiesselbach’s area - most common site of nosebleeds (____ branches most concerning)
posterior septal
● The ____ of the Ascending Pharyngeal is VARIABLE
● ____ - From Facial vein to anterior jugular vein is VARIABLE
● The ____ is variable!!! Some big, some small, some not at all!
palatine branch
communicating vein
anterior jugular vein
● Veins of the head and neck usually drain (or flow into other veins that drain) into IJV. Here’s a list of veins that do NOT DRAIN INTO IJV/ BYPASS IJV:
○ ____ instead goes to left brachiocephalic vein
○ Basilar Plexus drains into the ____
○ ____ sinus (via marginal to the internal vertebral venous plexus)
inferior thyroid vein
internal vertebral venous plexus
occipital
● Death triangle = ____ branch (facial vein) + ____ veins + ____ sinus → cavernous sinus thrombosis (high mortality pre-antibiotic era)
angular
opthalmic
cavernous
● IJV = the only vein where you can take a ____
pulse
● Angina Pectoris - ____
chest/heart pain
● The Thyroid Gland receives more ____ per unit of mass than ANY OTHER ORGAN in the BODY
blood
● Thymus- t cells matures outside in. Cortex (____, ____ , ____), medulla (mature/macro/dendritics)
–
++
+/macro
