This blockage can increase blood pressure in your arms and head, reduce pressure in legs and seriously strain heart. Aortic valve abnormalities often accompany coarctation.

• 这种阻塞会增加上肢和头部的血压，降低下肢的血压，同时也使心脏肌张力增加。主动脉畸形通常都伴有缩窄。