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Glastonbury 2009
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Recent scenes from the ISS
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By Miranda Hitti
WebMD Health News
Reviewed by Louise Chang, MD
June 25, 2009 — Pop star Michael Jackson has died at age 50 after suffering a cardiac arrest, according to media reports.
Los Angeles TV station KTLA reports that Los Angeles fire officials said they responded to a 911 call at Jackson’s home and that Jackson wasn’t breathing when they arrived; paramedics performed CPR and rushed him to UCLA Medical Center, although the hospital, due to privacy rules, could not confirm that.
In a cardiac arrest, the heart stops working properly. A cardiac arrest is not the same as a heart attack, but it can happen because of a heart attack, notes Douglas Zipes, MD, MACC, distinguished professor at Indiana University School of Medicine and past president of the American College of Cardiology.
Zipes explains that “cardiac arrest is a heart rhythm disturbance when the bottom chamber of the heart, the ventricles, beat an at extremely rapid rate — 4 to 600 times a minute.”
Zipes says that heart rhythm “prevents that bottom chamber from effective contraction and pumping blood to the brain and to the rest of the body, and death results if it’s not reversed within four or five minutes, generally.”
According to Zipes, when that heart rhythm disturbance, which is called ventricular fibrillation, happens, the bottom chambers of the heart are “like a bag of squiggly worms without an effective squeeze, and no blood gets pumped to the rest of the body, and without the necessary oxygen in the blood vessels going to the brain, and so on, the brain then begins to die.”
CPR can help keep blood flowing, but it would take an electrical shock to the heart — either from electrical paddles called defibrillators or from an internal heart device — to shock the heart back to a normal rhythm.
“Some sort of blood flow has to be initiated, whether it’s with CPR or with the shock that terminates the fibrillation and restores an effective contraction,” says Zipes.
Zipes notes that in 30% to 50% of cardiac arrests, “that event is the first manifestation of underlying heart disease. So you may not have chest pain, you may not have shortness of breath, you may not have anything” as a warning sign.
Just over a year ago, NBC journalist Tim Russert died after a cardiac arrest. Russert was being treated for his heart disease risk factors; Jackson’s previous heart health hasn’t been made public.
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Soccer in South Africa
By José Vásquez for La Critica -
An American woman, 30 year old Patrice Lachon Clark, died early yesterday at dawn on Monday morning in a private health clinic in David, as a result of a presumed heart attack suffered after undergoing liposuction. “The woman entered the clinic on Saturday, underwent plastic surgery, came out of the operation, and spoke to her family members in the United States. She was then transferred to the recovery room of the company that assists patients undergoing operations. Later she suffered respiratory failure which the patient did not survive,” explained Dr. Paúl Alegría, the reconstructive and plastic surgeon who operated on the patient. Dr. Alegría said they conducted all of the required medical evaluations, briefed the patient on the risks of surgery, and the next day conducted the surgery. “We complied with the entire process. The risks of undergoing an operation of this type are the same as getting a filling in a tooth or undergoing a surgery of any kind – the greatest risk is during the operation,” he said.
The surgery began Saturday at 12:00 noon and Patrice died yesterday at 3:00 am. The First Superior Public Prosecutor, Franklin Amaya, said an autopsy will be conducted to determine the cause of death and to consider if there are merits to open an investigation for medical negligence. The American woman arrived from Houston, Texas, accompanied by other Americans who had already undergone liposuction with Dr. Alegría. The cost of liposuction is approximately $10,000. The relatives of Patrice Lachon Clark spoke yesterday with Dr. Alegría and asked for a medical forensic investigation, and for the corpse to be transferred to the United States.
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