Sudden cardiac arrest is the sudden, unexpected loss of heart function, breathing and consciousness. Sudden cardiac arrest usually results from an electrical disturbance in your heart that disrupts its pumping action, stopping blood flow to the rest of your body.
Sudden cardiac arrest is different from a heart attack, which occurs when blood flow to a portion of the heart is blocked.Sudden cardiac arrest symptoms are immediate and drastic. -Sudden collapse
-Loss of consciousness
Sometimes other signs and symptoms precede sudden cardiac arrest. These may include fatigue, fainting, blackouts, dizziness, chest pain, shortness of breath, weakness, palpitations or vomiting. But sudden cardiac arrest often occurs with no warning. When to see a doctor
If you have frequent episodes of chest pain or discomfort, heart palpitations, irregular or rapid heartbeats, unexplained wheezing or shortness of breath, or fainting or near fainting or you’re feeling lightheaded or dizzy, see your doctor promptly. If these symptoms are ongoing, you should call 911 or emergency medical help. When the heart stops, the lack of oxygenated blood can cause brain damage in only a few minutes. Death or permanent brain damage can occur within four to six minutes. Time is critical when you’re helping an unconscious person who isn’t breathing. Take immediate action.
When you have a heart attack, you know it because the main symptom—crushing chest pain—is overwhelmingly obvious. That’s what most of us believe about heart attacks. But it’s not always true. What few people realize: Studies show that 20% to 60% of all heart attacks in people over age 45 are unrecognized or “silent.” And the older you are, the more likely it is that you’ve already had a silent heart attack. In a study of 110 people with a mean age of 82, an astounding 68% had suffered a silent heart attack. What happens during a silent heart attack? You may have no symptoms at all. Or you may have symptoms that are so mild—for example, a bout of breathlessness, digestive upset or neurological symptoms such as fainting—that neither you nor your doctor connects them with a heart attack. Scientists don’t know why some people have unrecognized heart attacks. But they do know that a silent heart attack is a real heart attack and can cause as much damage to heart muscle as a non-silent heart attack. And just like a person with a known heart attack, anyone who has had a silent heart attack is at higher risk for another heart attack, heart failure, stroke… or sudden death from an irregular heartbeat. Recent scientific evidence: In a six-year study by cardiologists from the University of California in San Diego and San Francisco—published in Clinical Research in Cardiology in April 2011—people who were diagnosed with a silent heart attack at the beginning of the study were 80% more likely to have another “cardiovascular event,” such as a heart attack or stroke, by the end of the study period. In a five-year study by cardiologists at the Mayo Clinic, people with an unrecognized heart attack were seven times more likely to die of heart disease than people who didn’t have an unrecognized heart attack.
Diet can play an important role in lowering your cholesterol. Here are five foods that can lower your cholesterol and protect your heart.
Can a bowl of oatmeal help lower your cholesterol? How about a handful of walnuts or even a baked potato topped with some heart-healthy margarine? A few simple tweaks to your diet — like these, along with exercise and other heart-healthy habits — may be helpful in lowering your cholesterol. 1. Oatmeal, oat bran and high-fiber foods
Oatmeal contains soluble fiber, which reduces your low-density lipoprotein (LDL), the “bad,” cholesterol. Soluble fiber is also found in such foods as kidney beans, apples, pears, barley and prunes. 2. Fish and omega-3 fatty acids
Eating fatty fish can be heart healthy because of its high levels of omega-3 fatty acids, which can reduce your blood pressure and risk of developing blood clots. In people who have already had heart attacks, fish oil — or omega-3 fatty acids — reduces the risk of sudden death. 3. Walnuts, almonds and other nuts
Walnuts, almonds and other nuts can reduce blood cholesterol. Rich in polyunsaturated fatty acids, walnuts also help keep blood vessels healthy. 4. Olive oil
Olive oil contains a potent mix of antioxidants that can lower your “bad” (LDL) cholesterol but leave your “good” (HDL) cholesterol untouched. 5. Foods with added plant sterols or stanols
Foods are now available that have been fortified with sterols or stanols — substances found in plants that help block the absorption of cholesterol.
Margarines, orange juice and yogurt drinks with added plant sterols can help reduce LDL cholesterol by more than 10 percent.
Sudden unexpected death syndrome, or Sudden unexpected nocturnal death syndrome (SUNDS), or Sudden Unknown Death Syndrome, or Sudden Adult Death Syndrome is sudden unexpected death of adolescents and adults, often during sleep.
Sudden unexplained death syndrome was first noted in 1977 among Hmong refugees in the US.The disease was again noted in Singapore, when a retrospective survey of records showed that 230 otherwise healthy Thai men died suddenly of unexplained causes between 1982 and 1990: In the Philippines, where it is referred to in the vernacular as bangungot, SUNDS affects 43 per 100,000 per year among young Filipinos. Most of the victims are young males.
SUNDS has been cloaked in superstition. Many Filipinos believe ingesting high levels of carbohydrates just before sleeping causes bangungot.
It has only been recently that the scientific world has begun to understand this syndrome. Victims of bangungot have not been found to have any organic heart diseases or structural heart problems.
However, cardiac activity during SUNDS episodes indicates irregular heart rhythms and ventricular fibrillation. The victim survives this episode if the heart’s rhythm goes back to normal. Older Filipinos recommend wiggling the big toe of people experiencing this to encourage their heart to snap back to normal.