Q: I just wanted to share some information that I have found helpful. A few months ago (after a bad viral infection) I began to have frightening episodes of heart palpitations. It felt like I had several shots of adrenaline all throughout the day. I also had shortness-of-breath and severe muscle aches. I was referred to a cardiologist, wore a Holter monitor and was diagnosed with premature ventricular contractions. The doctor suggested a magnesium supplement. He also wanted to do a thallium stress test but so far the magnesium seems to be helping with all my symptoms. I have found that too much magnesium can cause side effects, but it has helped me tremendously when taken appropriately.

A: Premature ventricular contractions, also known as PVCs, is a cardiac condition that causes abnormal, extra heart beats. It is similar to atrial fibrillation, but instead of originating in the atria (upper heart chambers), PVCs originate in the ventricles (the lower two chambers). [Read more...]