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®)
There are three types of rate control medications. They are beta-blockers, calcium channel blockers, and cardiac glycosides. Beta-blockers âblockâ the effects of adrenaline on your heart. They make the AV Node in the heart less sensitive to the erratic electrical impulses that your afib is generating.