Articles tagged with Heart Rate
Caffeine enhances sprint power output and reduces muscle pain, with effects lasting at least 3.5 hours. The study found that pre-exercise caffeine improves repeated sprint performance by altering physiological and perceptual responses.
A new study has found a significant link between Long COVID and POTS, with nearly two-thirds of Long COVID participants meeting the diagnostic criteria for POTS. The study suggests that POTS may be contributing to symptoms such as dizziness, fatigue, and brain fog in some individuals with Long COVID.
Research found that after three hours of exposure to pollution, heart rate variability declines, indicating increasing physiological stress on the heart. The study suggests that individuals with cardiovascular conditions or those spending long periods outdoors should take note of air quality alerts.
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.
Researchers found that live sporting events stimulate oxytocin dynamics, leading to increased heart-rate synchrony among casual spectators. This physiological response is linked to greater enjoyment, unity with players and spectators, immersion, and intention to reattend future events.
A study published in Frontiers in Psychology found that the time it takes for a therapist and patient to reach peak heart-rate synchrony during a music therapy session is around 25 minutes. This suggests that therapy sessions may need to allow sufficient time for this synchronization to develop.
A new wearable monitoring system called OMEGA aims to replace outdated fetal heart rate monitoring technology with a unified real-time assessment of fetal oxygen delivery and adaptive capacity. The system could potentially reduce C-section rates and improve maternal and fetal health outcomes, saving millions in healthcare costs.
A new study suggests that both very low and very high resting heart rates are associated with an increased risk of stroke. The research found a U-shaped pattern, with stroke risk lowest at heart rates of 60-69 bpm and highest at below 50 bpm or above 90 bpm.
Researchers found that exercising to self-selected music boosts endurance by nearly 20%, allowing individuals to tolerate sustained effort for longer. Participants cycled for an average of 35.6 minutes with music versus 29.8 minutes in silence, with no change in heart rate or lactate levels at the finish.
Researchers at Kyoto University found that chaotic component of heartbeat variability is sensitive to cognitive brain activity, providing a new indicator of brain-heart interaction. Chaos-based measures revealed clear and reproducible changes associated with task engagement, contrasting with conventional HRV indices.
A study published in Brain Medicine suggests autonomic dysfunction, particularly parasympathetic and sympathetic imbalances, contributes to depressive symptoms in patients unresponsive to conventional antidepressants. Low-dose medications targeting these imbalances may offer a new approach to treatment.
A team of researchers has developed DopFone, an app that uses a smartphone's speaker and microphone to estimate fetal heart rate with high accuracy. The system was tested on 23 pregnant women and showed promising results, with an average error of 2 beats per minute.
Scientists have developed a novel computational framework for real-time, personalized heart rate variability monitoring. The framework provides robust, adaptive alerts and improves the accuracy of HRV analysis by excluding artifact-prone periods.
Researchers have identified a rapid physiological marker that predicts which patients with major depression will respond to magnetic brain stimulation therapy. Patients whose heart rates slowed within 45 seconds of starting treatment showed significantly greater improvement in depressive symptoms six weeks later.
A groundbreaking study by Florida Atlantic University researchers found that working with service dogs can slow cellular aging in female veterans. The study, which involved female veterans with post-traumatic stress disorder, revealed promising biological benefits associated with service dog training.
A team of researchers at UC Santa Cruz developed a system using low-cost WiFi devices and machine learning algorithms to accurately measure heart rate. They found that the system worked regardless of body position or distance from the hardware, with high accuracy even after just five seconds of monitoring.
A world-first study suggests that a person's marathon potential may be identified through a simple check of their hands. Lower digit ratio is linked to cardiorespiratory fitness and exercise tolerance. This biomarker could help coaches identify talent or recreational athletes understand their endurance potential.
Researchers have identified a link between reduced pulse rate complexity and faster cognitive decline in older adults. The study found that people with more complex heartbeats tend to experience slower cognitive decline over time.
A recent study on the Haenyeo divers from Korea found that they have distinct genetic adaptations, including gene variants associated with cold tolerance and decreased blood pressure. The researchers also discovered two unique gene variants in the Haenyeo population that may help them cope with the pressures of diving.
Recent high-quality deepfake videos can feature realistic heartbeats and minute changes in face color, making them challenging to detect. Researchers found that even small variations in skin tone and facial motion can replicate the original pulse in deepfakes.
A highly sensitive bone marrow test has shown to double survival rates for patients with AML mutations in NPM1 and FLT3 genes, allowing for early detection of potential relapse. This trial indicates that regular molecular testing can improve long-term survival rates by restarting treatment earlier.
The American Heart Association and the NFL will offer free Hands-Only CPR instruction at the 2025 NFL Draft in Green Bay. Compression-only CPR can be equally effective as traditional CPR in emergency response situations, and has the potential to double survival rates of cardiac arrest by 2030.
The Los Angeles Rams have partnered with the American Heart Association to bring lifesaving CPR training to 22 local schools. The initiative aims to enhance community preparedness for cardiac emergencies. By providing resources and education, the partnership seeks to increase the number of people confident in performing CPR.
Researchers found that cortisol levels were lower in survivors, while heart rate and blood pressure responses were altered. Interleukin 1B was significantly higher, suggesting potential long-term health problems despite healthy symptoms.
The American Heart Association will strengthen and expand Hawaii's stroke system of care, reducing death and disability rates from stroke in rural populations. The initiative aims to enhance coordination among emergency responders, hospitals, and healthcare providers.
The Howard University football team participated in an American Heart Association Hands-Only CPR training session. Learning this lifesaving skill puts the athletes and coaches one step closer to making a difference in someone's life when it matters most.
A new study published in The Lancet Psychiatry found that ADHD medications have small but significant effects on blood pressure and heart rate. While there were concerns about the side effects of these medications, the study suggests that their benefits outweigh the risks.
Northwestern University engineers developed the world's smallest pacemaker that can be non-invasively injected into newborn babies' hearts with a syringe. The device, paired with a wearable wireless controller, stimulates pacing through light pulses, dissolving after use without surgical extraction.
A recent NIH-funded study found that rural adults experience higher rates of heart disease and its risk factors compared to urban counterparts. The study revealed that variables such as poverty, education, and access to healthcare do not explain these differences, with lifestyle risk factors like smoking also playing a lesser role.
The rate of cardiac arrests during marathons has remained unchanged, but the chance for survival is twice what it was in the past. The decline in preventable cardiac deaths can be attributed to increased awareness of the risks and availability of emergency services and defibrillators.
The BHF PROTECT-TAVI trial found no reduction in stroke rate for patients undergoing TAVR with an embolic protection device. Despite its large sample size, the study showed that cerebral embolic protection devices do not improve outcomes for TAVR patients.
A new study found that survival rates for athletes suffering sudden cardiac arrest vary significantly by race, with 57% of Black athletes and 54% of other race athletes dying between 2014-2023. Improved emergency preparedness likely played a role in increased survival rates.
A new study found that smartwatches paired with a health app can encourage people with newly diagnosed Type 2 Diabetes to maintain a home-delivered, personalised exercise programme. This programme showed improvements in blood sugar levels, systolic blood pressure, cholesterol, and quality of life.
A recent expert review highlights the strong link between hypertension and atrial fibrillation, which can lead to thousands of strokes. Controlling high blood pressure could significantly reduce the likelihood of developing atrial fibrillation.
A new study found that smartwatches paired with a health app can encourage people with newly diagnosed Type 2 Diabetes to start and maintain purposeful exercise, leading to improvements in blood sugar levels and systolic blood pressure. The programme also helped participants lower cholesterol and improve their quality of life.
The American Heart Association and Damar Hamlin are expanding CPR education to Tokyo, teaching hundreds of youth Hands-Only CPR. The campaign aims to improve survival rates of out-of-hospital cardiac arrest by promoting AED access and CPR training globally.
A study of 130 volunteers found a drastic decrease in heart rate variability after COVID-19, even in mild cases. The researchers observed an imbalance between the sympathetic and parasympathetic nervous systems, suggesting a higher risk of adverse cardiovascular outcomes.
The rate of maternal mortality related to cardiovascular causes has more than doubled between 1999 and 2022 in the US. Researchers attribute the increase to factors such as socioeconomic disadvantages, limited access to healthcare, and higher prevalence of risk factors.
Researchers have developed a way to activate adult stem cells from human bone marrow, enabling their expansion outside the body for use in bone marrow regeneration. The new method significantly improves transplant success rates for patients with genetic disorders or those who require a bone marrow transplant.
A Swedish study of over 1,300 participants found that losing a significant amount of weight still offers protection against health issues like cancer and cardiovascular disease, even if some weight is regained. However, regaining weight can increase the risk of microvascular disease and other health problems.
A new study suggests that dividing average daily heart rate by steps taken per day provides a more reliable indicator of cardiovascular fitness. People with elevated DHRPS were twice as likely to have Type 2 diabetes and more than 1.5 times as likely to have high blood pressure compared to those with lower DHRPS.
Researchers found that people who later experienced persistent shortness of breath or fatigue had significantly fewer steps per day and a higher resting heart rate before contracting the virus. These findings suggest a link between lower fitness levels and preexisting health conditions in long COVID patients.
The American Heart Association and Buffalo Bills are working together to bring Hands-Only CPR and AED training to community events and youth sports groups. This effort aims to double sudden cardiac arrest survival rates by 2030, with over 200 CPR & First Aid in Youth Sports training kits distributed.
A new American Heart Association scientific statement highlights disparities in risk factors, symptoms, screening, treatment, and outcomes for women with peripheral vascular disease. The statement emphasizes the need for tailored prevention and treatment strategies to improve health equity.
A recent study by Professor Mamas highlights the significant risk of cardiovascular diseases (CVD) in patients with cancer, particularly in aging populations. The review emphasizes the need for early diagnosis and regular monitoring to improve quality of life.
Walgreens is supporting the American Heart Association's Nation of Lifesavers initiative, which aims to double cardiac arrest survival rates by 2030. The company will enhance CPR readiness through in-store and community activations, education, and awareness.
Thousands of Medicare beneficiaries developed postoperative infections up to six months after coronary artery bypass grafting or aortic valve replacement. Women had a 60% greater odds of developing infections, including urinary tract, pneumonia, and sepsis.
Researchers at the University of Sydney recommend adopting a primarily plant-centric fibre-rich diet to enhance overall health and longevity. The plan involves incorporating more plant-based meals into one's diet, starting with two days a week and increasing to five days as recommended by Professor Luigi Fontana.
A study published in Mayo Clinic Proceedings suggests that virtual reality can reduce preoperative anxiety in older patients undergoing open-heart surgery. The research found that immersive VR was effective and well-tolerated, leading to reduced anxiety scores and improved mood.
The Off the Field National Football League Wives Association partnered with the American Heart Association and other organizations to promote water safety skills among children. The event, held in New Orleans, provided Hands-Only CPR and automated external defibrillator education.
A new survey from the American Heart Association reveals an increase in confidence among U.S. adults to perform lifesaving CPR during cardiac emergencies. The Nation of Lifesavers movement has contributed to this growth, with more people feeling prepared to respond in such situations.
The American Heart Association and Reese's Senior Bowl teamed up to teach Hands-Only CPR and AED use to NFL Draft prospects. Early recognition and action in cardiac emergencies can double a person's chance of survival, emphasizing the importance of having confident and capable individuals nearby.
The American Heart Association strongly supports the legislation, which aims to double survival rates from cardiac arrest nationwide by 2030. The HEARTS Act includes key provisions such as CPR training, AEDs, and cardiac emergency response plans, which can more than double survival rates in schools with these resources.
Researchers investigated neural mechanisms of stress-induced cardiovascular responses by activating lateral habenula in rats. Activation caused changes in blood pressure and heart rate, which were suppressed by pharmacological blockade of dopamine neurotransmission.
The American Heart Association and Major League Baseball partnered to provide Hands-Only CPR education to 30 MLB clubs, aiming to increase survival rates from sudden cardiac arrest. By learning lifesaving skills, baseball fans can help save lives in case of a cardiac emergency.
Researchers at Karolinska Institutet and Columbia University identified a mini-brain within the heart with its own nervous system that controls the heartbeat. This discovery challenges current views on how the heartbeat is controlled and may lead to new insights into heart diseases and treatments.
Researchers found that only programs promoting physical activity or eating more fruit and vegetables showed promise, while others had little effect. Tailored, multi-level and innovative approaches are required to enact positive change among truck drivers.
A University of Gothenburg thesis found that survival rates for sports-related cardiac arrest are significantly higher in facilities with CPR, defibrillation, and AEDs. Women fare worse due to delayed CPR starts.
The American Heart Association and Arizona Cardinals partnered with 12 local schools for CPR and AED training, aiming to improve cardiac emergency outcomes. The training equipped schools with lifesaving skills and resources, increasing the community's capacity to respond in cardiac emergencies.
Prescription rates of sodium-glucose cotransporter-2 inhibitors increased substantially within 2 years after publication of clinical trial evidence documenting benefit. The study highlights the need to understand strategies used by higher prescribing centers to increase SGLT2i adoption.