- Etiology
- Valvular disease
- Rheumatoid fever, infective endocarditis (m/c)
- Aortic root disease
- connective tissure disease, such as Marfan syndrome
- secondary to aortitis
- aortic dissection
- Valvular disease
- Pathophysiology
- LV volume overload
- Imaging finding
- Cardiomegaly and LV enlargement
- Enlarged ascending aorta
- Valve calcification
- Valve thickening
- Regurgitant orifice
- Regurgitation to LV
![Aortic regurgitation](https://q-radiology.com/wp-content/uploads/2022/12/image-61-1024x531.png)
![Regurgitation orifice at aortic valve](https://q-radiology.com/wp-content/uploads/2022/12/image-59.png)
![](https://q-radiology.com/wp-content/uploads/2022/12/image-48.png)