Beta-blockers after heart surgery show double benefits
...y decreased the incidence of post-operative atrial fibrillation (AF) and shortened hospital stay. Atrial fibrillation occurs when the two small upper chambers of the heart (the atria) quiver instead of beating effectiv...Physics tip sheet #11 - May 1, 2002
...lternans is a periodic heart rhythm that can cause fibrillation and heart attacks. An experimental study in bullfrog hearts showed that alternans was reliably suppressed and prevented from re-occurring. Electrical activity in the heart was monitored and a feedback cycle applied small electrical impulses to the h...Swift switch from CPR to AED may save lives
...f surviving ventricular fibrillation. Ventricular fibrillation is the chaotic heart rhythm that causes cardiac ar...nds-off intervals in 156 patients with ventricular fibrillation in which AEDs were used for resuscitation attempts. The duration of hands-off intervals varied by a...Implantable defibrillators cost-effective for preventing sudden death
... to eliminate abnormal rhythms such as ventricular fibrillation or ventricular tachycardia. In the Antiarrhythmic...ng all causes of death in survivors of ventricular fibrillation (irregular, chaotic heart rhythm that begins in the hearts lower chambers). It was also a better ch...Tiny device blocks 'useless' part of heart, prevents blood clots
...d reduce the risk of strokes in people with atrial fibrillation (AF), researchers report in todays rapid access publication of Circulation: Journal of the American Heart Association. About 2 million Americans have been diagnosed with atrial fibrillation, a type of irregular heartbeat. About 15 percent of stroke...Beating heart bypass surgery reduces postoperative complications....
...omplications compared with on-pump surgery. Atrial fibrillation (irregular fast heartbeat) was reduced by 25%, chest infection by 12%, the need for red-blood-cell transfusion by 33%, and extended hospital stay (more than one week) by 13%. Mid-term mortality data (gathered from 1-3 years follow-up) were similar...Researchers determine best possible drug option for cardiac arrest
...arone versus Lidocaine In pre-hospital Ventricular fibrillation Evaluation) trial, the first such trial to undertake a head-to-head comparison of anti-arrhythmic drugs, studied the effectiveness of lidocaine versus amiodarone. The trial followed 347 randomized patients who had suffered cardiac arrest, and who ha...Penn finds atrial fibrilation cure eliminates need for pacemakers, medicine
...he effectiveness of a new technique to cure atrial fibrillation (A-Fib). The technique targets and isolates the tr... Atlanta. "This procedure can eliminate atrial fibrillation completely and patients can resume their lives without relying on mechanical devices or any form of ...Cedars-Sinai researchers to present findings at Amerian College of Cardiology Scientific Meeting
...ion in the left atrium results in sustained atrial fibrillation and cardiac sympathetic nerve sprouting. Both of these studies were conducted in animals and in collaboration with other physicians and faculty at Cedars-Sinai, UCLA, USC and Childrens Hospital, Los Angeles. The ACCs 51st Annual Scientific Session an...Health and fitness facilities need defibrillators
... to the recommendations. Following ventricular fibrillation cardiac arrest, survival rates drop about 7 percent to 10 percent for every minute that defibrillation is not delivered, and a person has only a 2 percent to 5 percent chance of survival if defibrillated beyond 12 minutes. Survival rates as high as ...... warfarin was introduced over 50 years ago. Atrial fibrillation is the most common cardiac arrhythmia in clinical ...on people are estimated to be affected with atrial fibrillation in the US1 and the risk of developing stroke is high. A recent European survey also showed that 18%...Health clubs not fit for cardiac emergencies
...ors that shock the heart when it is in ventricular fibrillation are becoming increasingly used in heavily trafficked places, such as airports, train stations and shopping malls. Survival is directly linked to the amount of time between the onset of sudden cardiac arrest and defibrillation. Chances of survival a......udden cardiac arrest is usually due to ventricular fibrillation - a chaotic rhythm of the ventricle. "Once it occu...m must have the abnormal rhythm called ventricular fibrillation to require a shock," Page explained. "Not everyone who loses consciousness needs a shock. They may b...Hospital stays of three days for uncomplicated heart attack
...from a severe heart abnormality called ventricular fibrillation and three died, but the other 13 survived because they received emergency treatment in the hospital. Had they been at home, the researchers projected that all 16 would have died. Since these 16 patients could not be identified before their lif...Mitral valve repair at Cedars-Sinai Medical Center gets Los Angeles dentist on the road to recovery
...onths and then, a few months later, I woke up with fibrillation again." Another EKG was ordered, and a subsequent angiogram indicated a 50 percent to 75 percent "regurgitation" resulting from his mitral valve prolapse. Dr. Bredberg was referred to Dr. Trento for treatment. "It was 99 percent certain at this point...Risk factors for stroke after heart surgery identified
...tive stroke. Patients with acombination of atrial fibrillation and low cardiac output (volume of bloodpumped) doubled their risk of stroke. Atrial fibrillation is a condition wherethe two upper chambers of the heart quiver instead of beating effectively. Blood...MGH study shows mitral valve prolapse not a stroke risk factor
...t of those studied. Rates of heart failure,atrial fibrillation (a serious heart-rhythm disturbance), stroke, fainting andchest pain were no more common among those with prolapse than those without thecondition. The current MGH study, conducted by Dan Gilon, MD, and colleagues, recreated theoriginal 1980 study ......es) Lightning deaths (~20%) -Asystole/Ventricular fibrillation -Inhibition of brainstem respiratory centers -Multi-system failure (delayed death) Cardio-pulmonary injuries -Arrhythmias - Arterial pressure changes -Electrocardiographic changes -Myocardial damages (infarction) -Cardiac dysfunction -Pulmonary edem...Rosenbaum discovers "hidden clue" on cardiogram
...ith one another, beating asynchronously,leading to fibrillation and death. Their findings explain the link between T-wave alternans on the ECG and voltage changes occurring within individual heartcells. "What we find, if you look at the cardiac cell very carefully, is that the cell's voltage is oscillating. Such ...Heart Drug Finds New Use In Patients With Wolff-Parkinson-White Syndrome
...hance toeither slow their heart rate during atrial fibrillation or restore the normalrhythm." Wolff-Parkinson-Whit...0 to 40percent of WPW patients will develop atrial fibrillation at some point duringtheir lives. The combination of having WPW plus atrial fibrillation can be deadl...