Vitamin A does much more than help you see in the dark. It stimulates the production and activity of white blood cells, takes part in remodeling bone, helps maintain the health of endothelial cells (those lining the bodyâs interior surfaces), and regulates cell growth and division.
Signs & Symptoms of Acute Heart Failure (Sudden): 1  Severe shortness of breath, especially while walking or bending over to put on one's shoes. 2  Rapid heartbeat and palpitations, which may cause the heart to stop.3  Sudden fluid retention. 4  Sudden weight gain and swelling. 5  Sudden and severe chest pain.ince the blood is coming to the left side from the lungs, this is where the blood can get pooled. Signs & Symptoms of Left Side Heart Failure: 1  Shortness of breath, especially while walking or bending over to put on one's shoes. 2  Fatigue. 3  Dizziness, lightheadedness.
Sometimes, shortness of breath gets better or worse with certain body positions. For example, lying down can trigger shortness of breath in people who have certain types of heart and lung disease. Keeping track of your symptoms can help your doctor figure out what's wrong and recommend the best treatment. Causes.