Coarctation of the aorta Arterial hypertension (AH), right ventricular heart failure (CHF), myocardial infarction, metabolic bone disorders, headache, drowsiness, visual disturbances occur when all or almost all of the aorta or its part (aortic knee) is narrowed. Pathological anatomy. The right aorta is widely and unevenly narrowed, often displaced to the side. The segment of the aorta between the aortellar and umbilical arterial rings is sometimes devoid of cartilage tissue, less often it is atrophied. Cardiac veins