An arrhythmia is a problem with the speed or rhythm of the heartbeat. During an arrhythmia, the heart can beat too fast, too slow, or with an irregular rhythm. A heartbeat that is too fast is called tachycardia. A heartbeat that is too slow is called bradycardia. Most arrhythmias are harmless, but some can be serious or even life threatening. When the heart rate is too slow, too fast, or irregular, the heart may not be able to pump enough blood to the body. Lack of blood flow can damage the brain, heart, and other organs.
Patients with atrial fibrillation who have a Chicken Wing left atrial appendage morphology are less likely to have a stroke than those with other morphologies, research suggests.
An international research team, led from the University of Leeds, has found that a common anti-angina drug could help protect the heart against carbon monoxide poisoning.
Adverse drug effects are harms caused by the use of a medication. There are many different types of ADEs, including medication errors.
Array BioPharma today announced that ARRY-797 met its primary endpoint in a randomized, placebo-controlled and active-controlled (oxycodone ER) Phase 2 clinical trial in 157 osteoarthritis patients suffering from moderate to severe knee pain despite the use of non-steroidal anti-inflammatory drugs (NSAIDs).
University of Michigan heart researchers are shedding light on a safer method for steadying an abnormal heart rhythm that prevents collateral damage to healthy cells.
Researchers have developed a new technology that could significantly improve the success rate of procedures to treat atrial fibrillation.
Researchers from UC San Diego, the University of California Los Angeles and Indiana University report having found, for the first time, that atrial fibrillation or irregular heart rhythms is caused by small electrical sources within the heart, in the form of electrical spinning tops ("rotors") or focal beats. Importantly, they found a way of detecting these key sources, then precisely targeting them for therapy that can shut them down in minutes with long lasting results.
Arrhythmias could precede exacerbations in chronic obstructive pulmonary disease, raising the possibility of a new target for management and treatment, say researchers.
The risk for hyperkalemia after succinylcholine use for urgent tracheal intubation increases the longer patients remain in the intensive care unit, research shows.
Study findings based on observations from a sleep clinic in Brazil indicate that obstructive sleep apnea may worsen during the winter months.
Avanir Pharmaceuticals, Inc. announced today that the United States Patent and Trademark Office (USPTO) has allowed a new patent that covers Avanir's product NUEDEXTA, further expanding the intellectual property portfolio for the company's lead commercial asset.
Spinal fusion does not significantly increase the risk for stroke in the 3 years following surgery, research from Taiwan suggests.
Daily omega 3 supplementation may not reduce risk for cardiovascular events in high-risk patients, show study findings.
A cutting-edge method developed at the University of Michigan Center for Arrhythmia Research successfully uses stem cells to create heart cells capable of mimicking the heart's crucial squeezing action.
Sustained ventricular fibrillation or tachycardia in patients admitted with non-ST-segment elevation acute coronary syndrome are uncommon but worsen patients’ prognosis markedly if they do develop, researchers report.
Atrial fibrillation (AF) is the most frequently sustained arrhythmia of the heart. It affects several million people in Europe. AF causes a loss of contraction in the atria and gives rise to heart failure. Moreover, it is associated with a high risk of stroke. One in five strokes is due to AF.
Endosense,a pioneer and leader in force-sensing technology focused on improving the efficacy and safety of catheter ablation for the treatment of cardiac arrhythmias, has announced enrollment completion in the TOCCASTAR clinical study.
eCardio Diagnostics, a leading provider of remote cardiac arrhythmia monitoring, was among eight corporate sponsors teaming up with the Heart Rhythm Society to raise the level of awareness for heart rhythm disorders, particularly Atrial Fibrillation (AF) and Sudden Cardiac Arrest.
Micah True, legendary ultra-marathoner, died suddenly while on a routine 12-mile training run March 27, 2012. The mythic Caballo Blanco in the best-selling book, Born to Run, True would run as far as 100 miles in a day. On autopsy his heart was enlarged and scarred; he died of a lethal arrhythmia (irregularity of the heart rhythm). Although speculative, the pathologic changes in the heart of this 58 year-old veteran extreme endurance athlete may have been manifestations of "Phidippides cardiomyopathy," a condition caused by chronic excessive endurance exercise.
Results observed from pre-specified interim analyses of the randomized, placebo-controlled Phase 3 study, COU-AA-302, demonstrated that patients with metastatic castration-resistant prostate cancer (mCRPC) treated with abiraterone acetate (ZYTIGA) plus prednisone showed a statistically significant improvement in radiographic progression-free survival (rPFS) and all secondary endpoints compared to patients treated with placebo plus prednisone.
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