Sudden cardiac arrest occurs when the heart develops an arrhythmia that causes it to stop beating. This is different than a heart attack, where the heart usually continues to beat but blood flow to the heart is blocked. There are many possible causes of cardiac arrest. They include coronary heart disease, heart attack, electrocution, drowning, or choking. There may not be a known cause to the cardiac arrest.
Varicose veins are large, often winding dilated veins that often stick out from under the skin and occur mostly in the legs. They occur because the valves in the veins that prevent blood from flowing backward (away from the heart rather than towards it) are not working properly. In some people this is a hereditary problem, in others the problem…