View source for File:Obstruction of Right Ventricular Heart Flow.PNG

Figure name: The four features of the tetralogy of Fallot in comparison to the normal heart.(A) normal heart,
(B) ventricular septal defects, (C) obstruction of right ventricular outflow, (D) "Overriding" aorta, (E) Right
ventricular hypertrophy. Blue: deoxygenated blood; red: oxygenated blood; RA= right atrium; RV= right
ventricle; LA= left atrium; LV= left ventricle; Ao= Arch of aorta; direction of blood flow.

While this drawings illustrate of each feature in isolated state for better understanding. However, it is
important to note, that the features shown in A-E commonly occur together.

Drawings by Anna Marx based on Robbins Basic Pathology <ref> Kumar, V., Abbas, A., Fausto, N., Mitchell, R. N. (2007). Robbins Basic Pathology. In Saunders Elsevier (Ed 8), Philadelphia. https://evolve.elsevier.com/productPages/s_1221.html</ref> <ref><pubmed>18636635</pubmed></ref>.