Ch 10 Outflow Obstructions + Ch 11 Transposition of Great Arteries Flashcards
Complete aortic valve atresia requires ___?
Mixing of blood through a shunt for survival
Pulmonary Atresia - VSD is considered the most severe side of the spectrum of ___?
Tetralogy of Fallot
The image below depicts what type of obstruction? Arrow pointing to structure before the AoV
Subvalvular aortic stenosis
A muscular obstruction which divides the RV into a low pressure infundibulum + a high pressure apical region is called?
Subinfundibular obstruction
Coronaries near areas of obstruction are damaged over time thanks to ___?
Exposure to high systolic pressures
The pathology in the image above causes what? Image of aortic coarctation
Increased afterload
Valvular abnormalities (like bicuspid AoV) lead to faster degenerative valve changes. True or False?
True
Which of the following is aortic coarctation associated with?
Bicuspid aortic valve
(not ASD, congenital PS or persistent LSVC)
An area of dilation will exist after a stenosis. True or False?
True
CC-TGA/L-TGA consists of ___?
Atrioventricular discordance, ventriculo-arterial discordance
What is the name of the procedure depicted in this graphic + what CHD is it resolving? Image shows dissection of Ao + PA above their roots + detachment of coronaries
Arterial switch procedure (Jatene), D-TGA
D-TGA is an acyanotic heart defect. True or False?
False
The areas in green below indicate what? Image shows RVOT obstruction (blue flow in PA + green flow into branches)
Peripheral/branch pulmonary stenosis
D-TGA consists of ___?
Atrioventricular concordance, ventriculo-arterial discordance
What variant of transposition is depicted in this image? PLAX image where Ao is anterior (with RV) + PA is posterior (with LV)
D-TGA
