Aortic dissection is rare disorder and have fatal results if it remains undiagnosed or mistreated. A 31-year-old adult came in emergency with chest pain and having medical history of hypertension and family history of ischemic heart disease. Pain relieved by nitro-glycerine. After fur ther investigations like echocardiography and CT Angiography it was diagnosed as aortic dissection type A and decided for Bentall procedure beating heart surgery. After surgery the results were normal, and patient recovered completely.