Tag: "arrhythmia" at medical news

Early Intervention Key To Repairing Hole In Heart Disease

...ts reported a higher incidence ofpersistent or new arrhythmia following surgery than those under 40. While theseolder patients also benefit from closure, Gatzoulis says they will requirecloser monitoring and many will require lifelong blood thinning medication. "Another observation to come out of this research ...

Noninvasive test aims to prevent sudden cardiac death

...who develop fatal arrhythmias have had no previous arrhythmia symptoms or known heart problems. Some people with other types of heart disease, such as cardiomyopathy, also die suddenly, and doctors are frustrated by their inability to identify and treat such people before a first life-threatening event occurs....

Rosenbaum discovers "hidden clue" on cardiogram

... Rosenbaum says. "Survival studies ofpatients with arrhythmia reveal that 95 percent of patients whose ECGs do not show T-wave alternans are alive after 20months, compared with 18 percent of patients whose ECGs exhibit T-wave alternans." This pattern often appears so subtle that it goes unrecognized on ECG reco...

MRI-guided catheter ablation

.... The procedure benefits about one out of every 13 arrhythmia patients each year in the United States. During ...ulses could eventually reroute themselves, and the arrhythmia could return. "X-ray is inherently a two-dimensional projection imaging technique," says Lardo, "...

Methadone may cause potentially fatal arrhythmia, Georgetown researchers find

...ble individuals, cause a potentially fatal cardiac arrhythmia known as torsades de pointes (TdP), researchers at Georgetown University Medical Center have found. An abstract of their findings will be presented Wednesday, April 4, at the Experimental Biology 2001 annual meeting. Because methadone is widely used ...

Beta-blocker shown to be ineffective in patients with advanced heart failure

...d heart attacks and to treat angina, hypertension, arrhythmia and migraine headaches - work by inhibiting the receptors of the stress hormone norepinephrine, which is involved in the progression of heart failure. Norepinephrine is activated by the adrenergic nervous system and stimulates the heart to beat faste...

New data support the safety and tolerability of the novel oral anticoagulant Exanta for stroke prevention in patients with atrial fibrillation

...go. Atrial fibrillation is the most common cardiac arrhythmia in clinical practice,² with incidence approximately doubling with each decade of adult life.³ Frequency has been shown to increase from 3.8% in patients aged 90 years.2 More than two million people are estimated to be affected with atrial ...

UT Southwestern receives $1.7 million grant to study effects of long-term space travel on the heart

...has been at least one report of a life-threatening arrhythmia in one of the astronauts aboard the Russian Space Station Mir," he said. "Our goal is to clearly define the clinical manifestations of cardiac atrophy during long-duration space flight and obtain information that may provide insight into the risk for...

Penn finds atrial fibrilation cure eliminates need for pacemakers, medicine

...ated by the heart's sinus node. Patients with this arrhythmia often suffer a rapid heartbeat, palpitations, weak...ometimes the condition manifests no symptoms. The arrhythmia may begin with occasional or regular bouts of an irregular heart beat, but it generally worsens over...

Mayo Clinic researchers find useful test for identifying patients

... syndrome is the first genetically defined type of arrhythmia to be understood at the molecular level. In each beat, the heart has to electrically fire to tell the muscle to squeeze and then it has to reset itself in preparation for the next beat. Long QT syndrome is a genetic condition that affects the hearts...

Two drugs are better than one to prevent return of atrial fibrillation

...ne at the University of Alcala and director of the arrhythmia unit at the Ramon y Cajal hospital in Madrid, Spain. "AF is believed to double the risk of death and quadruple the risk of strokes," she says. "In addition, AF may accompany many cardiac conditions such as valvular heart disease, cardiomyopathies an...

Hopkins researchers study heart defect that kills athletes

...for a potentially life-threatening "short-circuit" arrhythmia to occur. The disorder, which affects one in 5,00...cally delivers a shock to the heart if a dangerous arrhythmia occurs. Others are managed with medications. Patients are generally advised to avoid strenuous com...

Life-saving properties of beta blockers extend to more patients

...ers on the overall death rate and on death from an arrhythmia (abnormal heartbeat) or the need for resuscitation from cardiac arrest. MUSTT was designed to test the effectiveness of electrophysiologic (EP) studies invasive procedures used to record electrical activity from the heart or to administer medicati...

Schizophrenia drugs linked to increased risk of heart attack

... to have experienced cardiac arrest or ventricular arrhythmia than non-schizophrenic patients, according to rese...ed the frequency of cardiac arrest and ventricular arrhythmia associated with different antipsychotic drugs versus the control groups," said Hennessy. "Our findin...

Terrorist attacks increased dangerous irregular heartbeats

...itoring. Why the pattern of cardiac events in the arrhythmia study differed from the patterns seen in other stu...increase in arrhythmias. The only predictor of an arrhythmia after the terrorist attack was the patients' history of life-threatening heart rhythm disturbances. ...

Scientists develop greater accuracy in recording babys heart rates in the womb

...psia or where there is a family history of serious arrhythmia such as Long QT syndrome. These conditions can af...ction and development in unborn children. Cardiac arrhythmia is believed to be a factor in cot death, and by getting more information on the hearts of unborn bab...

St. Jude Medical announces publication of results of its ADOPT-A trial

...cing indications) will develop some sort of atrial arrhythmia within the first year of implant.* The ADOPT-A study was a multi-center, randomized, controlled, single-blind study designed to evaluate the use of the breakthrough AF Suppression(tm) algorithm to suppress symptomatic AF episodes in patients with bra...

News tips for Monday, Nov. 10, 2003

...is study suggests that differing susceptibility to arrhythmia may underlie the known differences in SCD rates between men and women," they concluded. Also see Abstract #1807 (Monday, 9:15 a.m.) for a report showing that women undergoing coronary artery bypass surgery have "significantly lower" death rates and...

ACP and AAFP release joint clinical guidelines to manage common heart condition

... to manage new onset atrial fibrillation, a common arrhythmia (irregular heartbeat) that occurs most often in older adults. According to the new guidelines, control of heart rate (not heart rhythm) with chronic anticoagulation medication is the recommended strategy for the majority of patients with atrial fibri...

Annals of Internal Medicine tip sheet December 16, 2003

... to manage new-onset atrial fibrillation, a common arrhythmia (irregular heartbeat) that occurs most often in older adults (Guidelines, pp. 1009-1017; Background Evidence Paper, pp. 1018-1033). According to the new guidelines, control of heart rate (not heart rhythm) with chronic anticoagulation medication is t...

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