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Scientists Develop Ways of Detecting Heart Attack

German researchers have comeup with a new generation of defibrillators(除颤器) and early-warn-ing software aimed at offeringheart patients greater _(51) from sudden death from cardiac ar-rest (心脏停搏).
InGermanyalone, around 100,000people die annually _(52) a result of cardiac arrest and many of these casesare caused by disruption to the heart's thythm. Those most at _(53) are patients who have alreadysuffered a heart attack, and for years the use of defibrillators has proved'useful in _ _(54)life-threatening disruptions to heart thythms and correcting them automaticallyby intervening within seconds. These devices _(55) on a range of functions, such asthat of pacemaker(起搏器).
Heart specialists atFreiburg's University Clinic have now achieved a breakthrough with anim-planted defibrillator (56) of generating a six-channelelectrocardiogram (ECG,心电图 ) with-in the body. This integrated systemallows _ _(57) diagnosis ofsevere blood-flow problems and a pending. (即将发生的) heartattack. It will be implanted in . _(58) for the first time this year.Meanwhile,researchers at the Fraunhofer Institute for Applied Mathematics inKaiserslautern have developed new computer software that _(59) the evalution ofECG data more precise.
Theoverwhelming majority of patients at risk will not have an implanteddefibrillator and must for this _(60)undergo regular ECGs. "Many of the current programs only take into _ (61) a linear correlation of the data.We are, however, making use of a non-linear process (62) reveals the chaotic patterns ofheart beats as an open and complex system," Hagen Knaf says,"In thisway changes in the heart _(63) over time can be monitored and individualvariations in patients taken into account. " An old study of ECG data,based upon 600 patients who had (64)a subsequent heart attack, enabled the researchers to compare risks and to showthat the new software evaluates the (65) considerably better.
A.service
B.discount
C.protection
D.advice
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Obesity : the Scourge of the Western World

Obesity is rapidly becoming anew scourge of the western world, delegates agreed at the llth Eu-ropeanConference on the issue in ViennaWednesday to Saturday. According to statements before the opening of theconference-of 2, 000 specialists from more than 50 countries-l. 2 billionpeople worldwide are overweight, and 250 million are obese.
Professor Bernhard Ludvik of Vienna General Hospital said: "Obesity is achronic illness. In Ger- many. 20 percent of the people are already affected,but in Japan only one percent. " But he said that there was hope forsufferers thanks to the new scientific discoveries and medication.
Professor Friedrich Hopichlerof Salzberg said: "We are living in the new age (but) with the me-tabolism of a stone-age man. " "I have just been to theUnited States.It is really terrible. A pizza shop is springing up on every corner. We havebeen overrun by fast food and Coca-Cola-ization. "
Many of the experts stressedthat obesity was a potential killer. Hopichler said: "80 percent of alldiabetics are obese, als0 50 percent of all patients with high blood pressureand 50 percent with adi- pose tissue complaints. " "10 percent more weightmeans 13 percent more risk of heart disease. Reduc- ing one's weight by 10percent leads t0 13 percent lower blood pressure. "
Another expert HermannToplak said that the state health services should improve their financing ofpreventive programs. "Though the health insurance pays for surgery (suchas reducing the size of the stomach) when the body-mass index is more than 40.That is equivalent to a weight of 116 kilo- grams for a height of l. 70 meters.One should start earlier. "
Ludvik said that preventionshould begin in school. "Child obesity (fat deposits) correlates with the time which children spend in front of TVsets. "
The consequences were onlyapparent later on. No more than 15 percent of obese people lived to the averagelife expectancy for their population group.
It is estimated that there are _ people suffering from obesity in the world
A.250,000,000
B.1,200,000,000
C.1,450,000,000
D.950,000,000
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