MSS: Mass Storage System: MSS: Manufacturers Standardization Society: MSS: Multiple Sclerosis Society: MSS: Maxtor Shared Storage: MSS: Mission Support Squadron: MSS: Multi-Spectral Scanner: MSS: Merit System Services: MSS: Mobile Servicing System: MSS: Ministry of State Security (Chinese counterintelligence organization) MSS: Management Support System: MSS: Maternal Serum Screening: MSS
Symptoms of aortic valve regurgitation include: 1  Shortness of breath, especially with activity. 2  Fatigue and weakness. 3  Fainting (syncope). 4  Trouble breathing at night. 5  Swelling in the legs and sometimes the rest of the body (edema). 6  Awareness of the heartbeat (palpitations), especially when lying on the left side.
Unruptured abdominal aortic aneurysm (AAA) symptoms: 1  Pain in the abdomen, chest, back or scrotum, sometimes described as gnawing, steady, or deep. 2  Pulsating sensation in the abdomen.