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
However, as aortic valve regurgitation worsens, signs and symptoms may include: 1  Fatigue and weakness, especially when you increase your activity level. 2  Shortness of breath with exertion or when you lie down. 3  Swollen ankles and feet (edema). 4  Chest pain (angina), discomfort or tightness, often increasing during exercise.
Aortic regurgitation, when the aortic valve doesn't close completely, can cause severe heart symptoms. Aspirin poisoning is a medical emergency and can cause nausea, vomiting, drowsiness and more. Carbon monoxide poisoning can be fatal, symptoms include headache, dizziness, nausea, and vomiting. Chronic kidney disease is a condition of the kidneys that can cause high blood pressure, fatigue, and weakness. Cryptococcosis is a lung disease causing a wide range of digestive, respiratory and cardiovascular symptoms.