Abdominal aortic elasticity的用法和样例：
- A pulsatile midline mass suggests ruptured abdominal aortic aneurysm.
- Method: The SD rat model with HF was produced by constricting abdominal aorta.
- Methods To establish the rat model with constriction of the abdominal aorta.
- Objective: to determine clinical value of pulsed wave Doppler tissue imaging(PW-DTI)in evaluating aortic elasticity in coronary heart disease.