Heart Flashcards
Which artery supplies the interventricular septum and apex?
Anterior interventricular branch of the LCA
Which artery supplies the right ventricle?
Anterior interventricular artery and marginal branch of RCA
Arterial supply of right atrium?
Right coronary artery
What is pericardiocentesis?
Drainage of fluid at the left 5th or 6th intercostal space
What artery supplies the left atrium? Left ventricle?
Circumflex branch of the left coronary artery
Most common site of occlusion in MI?
Anterior interventricular artery
Veins that drain into the right atrium(4)
SVC
IVC
Coronary Sinus
Anterior cardiac vein
Modified trabeculae carnae thar crosses the IV septum?
Moderator band(septomarginal trabecula)
Most posterior of the four heart chambers?
Left atrium
Most anterior portion of the heart?
Right ventricle
Which forms the venous coronary sinus?
Left horn of the sinus venosus
The bulbus cordis develops to form the?
Right ventricle
The right horn of the sinus venosus develops to form the?
Right atrium
Origin of aorta and pulmonary trunk?
Truncus arteriosus
Most common type of congenital heart disease?
Ventricular septal defect
- males
- increased flow to lungs(pulmonary HTN)
Most common cause of cyanotic heart disease?
Transposition of great arteries
-associated with VSD and ASD
Persistent truncus arteriosus. Failure or development of?
Aorticopulmonary septum and aortic ridges
- VSD always present
- TA overides VSD
Tetralogy of fallot
Pulmonary stenosis VSD Overiding of the Aorta Right ventricular hypertrophy -right to left shunting -cyanosis
Adult derivative or the umbilical vein?
Ligamentum teres
Artery that is derived from the umbilical artery that supplies the bladder?
Superior vesical artery
-medial umbilical ligament
Anatomic closure of foramen ovale?
Fossa ovalis by 3rd month
Derivative of the ductus arteriosus? When does it completely close?
Ligamentum arteriosum; 3-4 weeks
Name the derivatives or the aortic arches.
1st: maxillary arteries
2nd: stapedial arteries
3rd: common carotid, internal carotid
4th: L-arch of aorta, R-right subclavian
5th: none
6th: L-L pulmonary artery, ductus arteriosus; R- R pulmonary artery
