CV 5 Special Circulations Flashcards
Lymph where has protein, where it doesnt have protein
Lymph in liver has protein
Everywhere else is protein free
Pattern of coronary arteries
Right and left coronary arteries come off of aorta and loop around posteriorly
L gives off LAD and circumflex and posterior descending
Which vessels feed
Most of LV
Some of RV
Rest of LV
LCA and LAD
LCA and LAD
Circumflex
What is inhibited flow during systole
Left ventricle
Special components of fetal circulation
5
2 umbilical arteries 1 umbilical vein Ductus venosus Foramen ovale Ductus arteriosus
What has most oxygenated blood in fetus
Umbilical vein
Umbilical vein goes to ___ through ___. Then into ___, ___ then __ __
Ductus venosus
Liver
IVC
Foramen ovale
After foramen ovale blood goes through __ __ and __ __ to __ __
Pulmonary artery
Ductus arteriosus
Umbilical arteries
Physiologic changes upon birth
Lungs fill with air, resistance in lungs go down, switch to RA having higher pressure than LA
Clamp off circulation to placenta, SVR goes up
Foramen ovale shuts with first breath
Umb vein becomes ligamentum teres, umbilical ligaments remain from umb arteries
What two things close shortly after birth
Ductus arteriosus over a week
Ligamentum arteriosum over a month
Path of best o2 in fetus
Umbicilical vein Ductus venosus Hepatic vein Ivc Foramen ovale La and lv Aorta Brachiocephalic and l common carotid Right and left sides of brain
Path of less o2 blood in fetus
Umb vein Ductus venosus Hepatic vein Ivc Right atrium, tricuspid, r ventricle Pulm artery, lungs Ductus arteriosus Joins aorta w more o2 blood Lower body
When you exercise what gets less flow
Skin (except when you get hot)
Kidneys
Gi tract
Flow same or increase when exercising
Brain same
Extra flow to lungs and muscles
