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Dear Jeannie,
You sound quite frustrated in regards to the myriad symptoms you're experiencing. Constraints of time and space compel me to focus on the heart-related issues, but I strongly recommend that you see your general physician and opthalmologist regarding the
visualVisual acuity test disturbances, loss of memory and twitching.
Regarding the eratic beating of your heart as well as the skipped beats-- this likely represents premature contractions arising from the atria(upper chambers) or ventricles(lower chambers) of the heart. Most commonly, this condition is benign unless there is structural heart disease such as previous heart attack or other serious heart abmormality. If the extra beats are keeping you up at night, you may want to see a general physician or a cardiologist to obtain a thorough evaluation of this problem. Some tests that would help elucidate the cause of the extra beats include an electrocardiogram(ECG), a holter monitor that would record your heart rhythm for 24-48 hours, and possibly an echocardiogram to examine the structural function of your heart. In most cases, therapy for premature beats is supportive, as the side-effects of most medications outweigh the benefits that they contribute to this problem. It may be reassuring for you to have this evaluated, however.
I'm sorry I can't give you specific suggestions regarding the other issues, but I believe your general physician would be best equipped to address them.