Word: irregulars
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...felt almost routine last Saturday when Vice President Dick Cheney entered George Washington University Hospital for treatment of an irregular heartbeat. This was, after all, the third time in seven months the Vice President had been hospitalized, however briefly, for his heart condition. There had been a moment of genuine alarm Friday when the news broke that Cheney was suffering irregular beats in his heart's bottom chambers, or ventricles. They can lead to an immediately life-threatening situation, unlike most of those that start in the top half of the heart. Inevitably, the cable pundits pondered once again whether...
This page in Cheney's cardiovascular diary began a few weeks ago, when Reiner decided to check the Vice President for irregular heartbeats, or arrhythmia. By all accounts, Cheney hadn't exhibited any symptoms--no dizziness or fainting spells that might indicate a problem. But roughly 5% of people who suffer heart attacks develop arrhythmias, often without realizing it. This is particularly common among patients like Cheney, whose "ejection fraction," a measure of how efficiently the heart is pumping, is around 40%. Usually the problem occurs because some scar tissue in the heart muscle starts to interfere with the electrical...
...With the device in place, the Vice President's prognosis is good. Patients with an irregular heartbeat who get these mechanical aids cut in half their chance of dying from a cardiac event...
While so far only this bypass procedure has received the FDA's blessing, trials are under way to robotically repair the heart's valves, place pacemaker wires and stabilize irregular heartbeats. In Canada, a rival system from Computer Motion in Santa Barbara, Calif., is being tested for fetal-heart surgery. Douglas Boyd, who heads the National Center for Advanced Surgery and Robotics in London, Ont., believes that robots' minimally invasive techniques could vastly improve fetal surgery's current 90% failure rate, which he says is primarily a result of the trauma placed on the womb by traditional surgical techniques. "Robots...
...publication schedule is irregular and it started out as nothing more than a set of stapled photocopies, but Hermenaut is now in its 10th year. It has developed something of a loyal following, and it has been described as “well-written,” “funny and smart,” “refreshing” and “clever and cutting” in various places like Salon.com, the Voice Literary Supplement, Lingua Franca, Wired and Sassy. Yes, Sassy...