Located in southeastern New Mexico, Carlsbad Caverns lie beneath the Earth's surface and were formed when limestone was dissolved by sulfuric acid during the last ice age.
There are three types of rate control medications: Beta Blockers, which slow the heart rate and relax the blood vessels. Examples include Atenolol (TenorminÂ®), Carvedilol (Coregâ¢), Metoprolol (Toprol XLâ¢, LopressorÂ®), and Sotalol (BetapaceÂ®)
Overdoses of Vitamin D Pills can Damage Your Heart. People who develop atrial fibrillation should be asked if they are taking huge doses of vitamin D. If you have an irregular heart beat and are taking massive doses of vitamin D pills, check with your doctor immediately. This cause of irregular heartbeats can be cured by stopping the pills.