Articles tagged with Cardiac Arrhythmias
University of Houston researcher Mingfu Wu has received a $3.1 million NIH grant to investigate left ventricular noncompaction, a serious heart condition that can lead to heart failure and abnormal heart rhythms. The study aims to uncover a common mechanism behind different genetic causes of LVNC and potentially identify new targets fo...
Researchers found structural changes in the retina in people with atrial fibrillation, detectable up to four years before diagnosis. The study suggests retinal imaging could identify those at risk of atrial fibrillation before it causes harm.
Dr. Sebastian Spethmann joins JMIR Cardio as Editor-in-Chief, bringing expertise in heart failure, cardiomyopathies, and digital health. He aims to integrate digital advancements into routine clinical care, enhancing cardiovascular health systems and patient outcomes.
The Cardiovascular Research Foundation (CRF) presents 28 studies at TCT 2026, highlighting advances in minimally invasive interventions, pharmaceutical therapies, and breakthrough technologies. Key findings include improved outcomes for patients with heart and vascular disease.
Columbia researchers have developed a new technique to capture electrical activity and mechanical motion within the heart using cardiac ultrasound images. This technology allows for early detection and risk assessment of Mitral Valve Disease and arrhythmias, transforming care for those suffering from these conditions.
Researchers discovered a statistically significant reduction in premature atrial contractions after cannabis inhalation, with no impact on daily activity levels. The findings challenge assumptions about the cardiovascular effects of cannabis and may lead to new approaches for preventing or treating abnormal heart rhythms.
A meta-analysis of nearly 1,900 studies found that climbing stairs significantly reduces the risk of dying from cardiovascular disease. Regular stair climbing was associated with lower risks of heart-related problems and major cardiovascular conditions such as heart attack, stroke, and heart failure.
A team of researchers from the University of Copenhagen has discovered a crucial communication system on cell surfaces that plays a significant role in heart development. Alterations in three key proteins can disrupt this system, leading to congenital heart defects.
A study led by Robert Koeth found a connection between elevated blood levels of TMAO, a gut bacteria byproduct, and an increased risk of atrial fibrillation. The research team discovered that TMAO changes the heart's electrical environment, making it more susceptible to abnormal rhythms.
Researchers at Salk Institute create a body-wide single-cell atlas of two major epigenetic systems, revealing that cell-type-specific epigenetic features can affect disease risk. The study identifies over 1.36 million differentially methylated regions and 283,606 differential chromatin loops across the human body's cell types.
A system developed by Kaunas University of Technology enables continuous heart rhythm monitoring, allowing for more detailed ECG recordings and remote transmission to doctors. The technology aims to address the diagnostic gap in cardiovascular diseases, particularly for post-stroke patients at risk of ischaemic stroke.
Researchers have discovered a new way to detect sudden cardiac death risk using AI, which outperforms existing methods and can identify high-risk patients more accurately. The tool uses EKGs to analyze waveform patterns and has shown promise in predicting patient outcomes with a 7% annual rate of sudden cardiac death.
A new study by Karolinska Institutet shows that daily smartphone-based heart rhythm monitoring can reduce same-day cardioversion cancellations by 94.7% and save significant healthcare resources. The method, called CORAI, uses photoplethysmography to measure small changes in blood flow, allowing for accurate heart rhythm assessment.
A Tulane University study found that being female is not a universal stroke risk factor for patients with atrial fibrillation (AFib), especially for those under 75. Women age 75 and older or with comorbidities have a higher stroke risk, suggesting a more personalized approach to prevention.
New York Valves 2026 will unveil groundbreaking clinical science and innovation in transcatheter aortic valve replacement and mitral/tricuspid valve therapies. The conference features 22 late-breaking clinical science presentations that aim to transform the treatment of structural heart disease.
A report by the European Society of Cardiology advocates for dedicated women's heart centers to improve diagnosis and treatment of cardiovascular disease in women. These centers can enhance quality of life, reduce symptoms, and increase survival rates for women with cardiovascular disease.
A major international study has identified ways to detect patients with hypertrophic cardiomyopathy at serious risk of sudden death, heart failure or other dangerous outcomes. The findings will help save lives by improving the ability to determine who is at greatest risk and spare low-risk patients from unneeded heart implants.
Researchers at Ben-Gurion University of the Negev identified how semaglutide and colchicine protect the heart from Atrial Fibrillation by targeting different biological pathways. The study found that these medications can prevent the development of AF even in non-obese patients.
Researchers mapped CHD variant landscape in Asian population, identifying 11 overlapping candidate genes and 25 novel genes associated with abnormal cardiovascular phenotypes. The study highlights the importance of genetic testing and counseling for birth defects in Chinese populations.
A University of Cincinnati study proves the feasibility and scalability of collecting blood from patients in cardiac arrest during treatment. The approach, which involves paramedics delivering samples to a biorepository, showed significant variation among patients and underscores the need for further research.
Individuals with screening-detected atrial fibrillation have a threefold increased risk of developing heart failure compared to those without AF. The incidence of HF was diagnosed early after AF detection, emphasizing the importance of identifying and treating HF in patients with AF.
Research found that people who spend a higher proportion of their total physical activity doing vigorous activity have substantially lower risks of all eight serious health conditions. The benefits of vigorous activity remained even when the amount of time was modest.
A Korea University study reveals that liver metabolic disease is a key risk factor for heart failure in older adults with atrial fibrillation, with MASLD having the lowest risk and ALD carrying the highest risk. The study highlights the importance of liver health in cardiovascular disease management.
A new multicenter study by Kumamoto University and National Cerebral and Cardiovascular Center found that working-age adults with shorter sleep durations are more likely to develop atrial fibrillation. In contrast, retirees showed no significant association between sleep duration and AF risk.
A new position statement from CSANZ and ACRA highlights telehealth as a critical tool for increasing access to quality cardiovascular care. The guidance provides best practice guidance for safe use by clinicians while emphasizing patient-centered, culturally inclusive multidisciplinary care.
Researchers found that patients seen by cardiologists had lower mortality rates and fewer serious heart problems, including heart attack, sudden failure, or irregular heartbeat. The study suggests close teamwork between surgical and heart teams can improve outcomes after major surgery.
Researchers have developed a new computational model that can analyze factors affecting the success of device installation and patient evolution. The model enables precise calculation of anticoagulant doses needed post-operation, reducing risk and improving safety for patients with atrial fibrillation.
A large study found that people with type 1 and type 2 diabetes have a higher risk of sudden cardiac death, particularly in younger adults. The research also showed that sudden cardiac death contributes to shorter life expectancy for those with diabetes.
A new Tulane University study suggests that catheter ablation delivers major benefits for patients diagnosed with both atrial fibrillation and obstructive sleep apnea, significantly lowering the risks of heart failure and death. The study found a 40% drop in major cardiovascular events and a 70% decline in all-cause mortality.
Researchers at Toho University discovered that pyrazole-3 inhibits the TRPC3 channel, preventing atrial fibrillation persistence. This finding suggests targeting TRPC3 channels as a promising therapeutic approach for atrial fibrillation and related cardiovascular diseases.
A new genetic risk score combines rare and common gene variants with non-coding genome information to predict arrhythmia risk. This comprehensive framework can be applied to other genetically influenced diseases like cancer and Parkinson's Disease.
A new study found that using a simplified clot-preventing medication regimen for one month after stent placement in adults with atrial fibrillation is equally safe and effective as a standard year-long treatment regimen. This approach may help reduce bleeding risk associated with the medications while maintaining stroke, heart attack, ...
A new study found that standard medical care, including blood thinners, is the better choice for older people with irregular heart rhythms who are at high risk of stroke and bleeding. The catheter-based procedure was non-inferior to medical therapy in reducing stroke risk but caused more bleeding in higher-risk patients.
Researchers found that taking metformin in addition to standard care after catheter ablation reduced episodes of atrial fibrillation in people with obesity. The study suggests that lifestyle and risk factor modification efforts can be aided by metformin, and future studies are needed to confirm these findings.
A new study suggests that catheter ablation can reduce the risk of stroke in people with atrial fibrillation (AFib) and may even allow them to stop taking blood thinners. The study found that long-term oral anticoagulation is not necessary after successful ablation in patients with moderate to high stroke risk.
Adults with atrial fibrillation who drank a daily cup of coffee were 39% less likely to have an irregular heart rhythm episode compared to those who avoided all caffeinated products. The preliminary study results suggest that caffeinated coffee may not be responsible for raising the risk of AFib and may even reduce it.
A nationwide Swedish study found that many young people who died from cardiac arrest had recently sought medical care and showed signs of heart problems. The study suggests that fainting, seizures, and abnormal ECG findings in young people should be taken more seriously to identify those at risk before a sudden arrhythmic death occurs.
Researchers have found that atrial electromechanical dissociation (AEMD) can predict stroke risk in people with transthyretin amyloid cardiomyopathy, even when the heart rhythm appears normal. A non-invasive assessment tool may help identify those at increased risk and guide earlier conversations about preventive strategies.
The Lehigh University team created a computational model to predict the hemodynamic response of patients with AFib, helping tailor neurostimulation dosages. The model validated against clinical data and predicted accurate effects on blood pressure, heart rate, and stroke volume.
The Cardiovascular Research Foundation (CRF) has announced the 2025 SET-10 Rankings, honoring institutions whose groundbreaking research is shaping the future of cardiovascular care. The rankings recognize academic and medical institutions that are advancing the science and improving patient outcomes.
A retrospective study found that radiation therapy controlled ventricular tachycardia with fewer complications than standard catheter ablation. Radiation therapy was similarly effective in controlling arrhythmia and showed lower serious side effects, especially in the early time window.
New research from the American Heart Association reveals that most people with atrial fibrillation (AFib) are unaware of the condition before being diagnosed. The study found that AFib patients reported experiencing an average of three symptoms before receiving a diagnosis, highlighting the importance of recognizing early warning signs...
The system uses magnetoelectric power-transfer technology to deliver precise electrical stimulation to organs like the heart and spinal cord. The more devices in the network, the more efficient it is, offering a less invasive alternative to traditional implantable medical devices. This technology has potential for treating conditions s...
Researchers have successfully treated damage caused by heart attacks in non-human primates using gene therapy, restoring both strength and rhythm of the damaged hearts. The treatment improved heart function in pathological conditions with no adverse effects observed.
Researchers from the University of South Australia have identified a potential early warning system for Takotsubo syndrome in ICU patients using electrocardiogram patterns and blood markers. Critical care nurses with advanced ECG skills can play a key role in recognising early signs of the condition.
A study from Mount Sinai Hospital found that patients with heart failure and atrial fibrillation who undergo mitral edge-to-edge repair have a doubled risk of death or rehospitalization for heart failure compared to those without AF. The researchers recommend aggressive treatment of AF before the procedure to improve outcomes.
A new study found that scar tissue in the heart of healthy male endurance athletes aged 50 or older may increase their risk of abnormal heart rhythms and sudden cardiac death. The research used magnetic resonance imaging and ECG recorders to track the participants' heart activity over two years.
Researchers found that low sodium levels can disrupt the heartbeat in patients taking widely used rhythm-control medications like flecainide, increasing conduction risk. Interfering with ephaptic coupling or potassium ion flow reduces heart sensitivity to low sodium when sodium channels are blocked.
A new study involving 121 former elite rowers from Australia found that one in five develops atrial fibrillation, a condition that can lead to stroke and heart failure. The researchers identified genetic and clinical tools that enable early preventive strategies, highlighting the paradox that AFib is more common among fit athletes.
Research found that certain heart rate variability patterns can predict future health conditions, including stroke, depression, and cognitive dysfunction. The study suggests that nocturnal HRV provides a unique window into how the body functions during sleep.
The American Heart Association's Get With The Guidelines - Heart Failure registry reveals lasting benefits for hospitalized heart failure patients and hospitals. Hospitals engaging with the program consistently outperform peers on process measures and patient outcomes.
Researchers found that microscopic structural changes in heart cells naturally narrow with age, stabilizing heart rhythm and reducing the risk of irregular heartbeats. This discovery challenges the idea that all age-related changes in the heart are harmful.
A new study found that patients using factor Xa inhibitors experienced significantly fewer cardiovascular problems than those on other anticoagulants. Researchers followed over 1,000 patients aged 80 and above for up to five years, revealing lower rates of heart failure, artery disease, and cardiovascular death.
Researchers found that MRI scans can detect heart inflammation, scarring, and impaired function in carriers of a mutated LMNA gene. This information can help clinicians predict which patients are at higher risk and inform decisions about treatments such as defibrillators or transplants.
A new study from Uppsala University investigates how sleep deprivation affects biomarkers associated with cardiovascular disease. Researchers found that chronic lack of sleep increases the risk of heart problems by promoting inflammatory proteins.
A new study from Karolinska Institutet found that people with a certain heart valve abnormality are at increased risk of severe heart rhythm disorders even after successful valve surgery. The condition is more common in women and younger patients, and can lead to sudden cardiac arrest.
The device uses AI technology to detect potential heart problems and provides real-time health insights. It has multiple points touching the skin near the heart, allowing for more accurate tracking even during movement.
A new method combines ECGI with digital twins to locate the origin of premature ventricular contractions, improving accuracy by an average of 7.8 mm. The method has been applied in a real clinical case and is expected to facilitate planning interventions and reduce treatment costs.
Researchers have discovered a novel gene therapy that can reverse conduction slowing and prevent cardiac arrhythmias by introducing the SCN10a-short gene into heart muscle cells. The treatment has shown promise in animal models and human cell studies, offering a potential solution for millions affected by arrhythmias worldwide.
Cardiac arrhythmia disrupts heart rhythm due to malfunctioning electrical impulses. Rui Zhu plans to use deep-learning and computational simulations to model diseased hearts and understand multi-physical factors contributing to arrhythmic conditions.