Went to ER last night due to feeling weak in legs and nauseous. While on cardiac monitor, a few times it read apnea alarm, pvc's. Why? Heart rate norm

Monitor. Without being present when the monitor was alarming it is difficult to know what was happening. There all kinds of false and erroneous alarms that can happen with monitors. They are designed to be very sensitive and can alarm inappropriately. On the other hand you could have had physiologic symptoms and appropriate alarms, can't say without more information.

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All cardiac exams are normal. PVCs occurring all day, slow heart rate, headache & blurred vision. All labs normal except low iron & glucose.?

Anxiety related. If your cardiac work up is normal, the extra PVC,s you seem to be having may be due to some genetic predisposition. Unless you are having symptoms due to frequently occurring PVC's, I would focus on any anxiety issues or emotional stress that may be exacerbating the problem. Relaxation Exercises would be a good idea. Feel better. Read more...

Could I have had a heart attack? A few weeks ago I felt nauseous, dizzy and my heart rate was fast. I had chest pain. Upon standing my legs were weak.

Could be heart. Remember a heart attack is an occlusion of a coronary artery and doesn't mean cardiac arrest. If you develop sudden crushing chest pain not relieved with rest you may be having a heart attack. Seek urgent medical attention. Chest pain associated with activity could be angina and you should be checked out. Read more...

I have general weakness and fatigue along with a edema in lower legs, I have been having shortness of breathe and rapid heart rate but meds have fixed?

You don't list what. medications you are taking that has fixed your rapid heart rate. It sounds like you have a cardiac condition of either cardiomyopathy or rhythm disorder or both. You need to take these questions and concerns to your health care provider. Sometimes medications contribute to symptoms and other times the disease process is the cause. Get checked out. Read more...