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Related terms: Palpitations, Heart Palpitations

MRIs Safe With Older Pacemakers, Study Finds

Posted 29 Dec 2017 by Drugs.com

WEDNESDAY, Dec. 27, 2017 – Powerful magnetic fields created during an MRI scan were thought to play havoc with some pacemakers, but a new study says these scans are safe for people with the heart devices. Researchers tested the safety of MRIs on more than 1,500 people who had older pacemakers or implantable defibrillators – called legacy devices – that the U.S. Food and Drug Administration does not consider safe for MRIs. The result: No long-term adverse effects were found. "Many patients have implanted pacemakers or defibrillators that were not designed to be used with MRI scans," said senior study author Dr. Henry Halperin. He's a professor of medicine and co-director of the Johns Hopkins Imaging Institute of Excellence in Baltimore. A majority of people who have these devices will need an MRI at some point, he noted. The study results show that "it's really safe to do MRIs in ... Read more

Related support groups: Arrhythmia, Body Imaging, Cardiothoracic Surgery, Head Imaging

Male Triathletes May Be Harming Their Hearts

Posted 21 Nov 2017 by Drugs.com

TUESDAY, Nov. 21, 2017 – Men who compete in triathlons could be putting their hearts at risk, a new study contends. The finding results from an examination of 55 male triathletes who averaged 44 years old, and 30 female triathletes, with an average age of 43. All participated in triathlons, which involve sequential endurance competitions of swimming, cycling and running. The researchers found that 18 percent of the men had evidence of scarring of the heart, known as myocardial fibrosis. None of the women had signs of the condition. Myocardial fibrosis usually affects the pumping chambers and can progress to heart failure. "The clinical relevance of these scars is currently unclear [but] they might be a foundation for future heart failure and arrhythmia [irregular heartbeat]," the study's lead author, Dr. Jitka Starekova, said in a news release from the Radiological Society of North ... Read more

Related support groups: Heart Attack, Arrhythmia, Myocardial Infarction, Prevention of Cardiovascular Disease, Cardiovascular Risk Reduction, Myocardial Infarction - Prophylaxis

Motor On, Heart Patients: Electric Cars Don't Harm Cardiac Implants

Posted 14 Nov 2017 by Drugs.com

MONDAY, Nov. 13, 2017 – Heart patients who've bought an all-electric Tesla need not worry that their car might interfere with their implanted defibrillator. That's the finding from a new study of 34 seniors who had the devices, which help guard against dangerous irregular heartbeats. The study "demonstrates the safety of the Tesla electric vehicle in patients with cardiac defibrillators and is the first step in establishing that these vehicles are safe for patients with cardiac devices," said Dr. Apoor Patel, a cardiologist who reviewed the findings. Patel directs cardiac electrophysiology at Lenox Hill Hospital in New York City. He believes the study will "need to be replicated [in] other vehicles," but also noted that "the Tesla generated the most electrical activity during charging." The new study was led by Drs. Thein Tun Aung and Abdul Wase, of Good Samaritan Hospital in Dayton, ... Read more

Related support groups: Atrial Fibrillation, Heart Disease, Heart Attack, Arrhythmia, Tachyarrhythmia, Cardiac Arrhythmia, Ventricular Tachycardia, Myocardial Infarction, Bradyarrhythmia, Ischemic Heart Disease, Myocardial Infarction - Prophylaxis, Atrial Tachycardia, Post MI Syndrome

Don't OD on Black Licorice This Halloween, FDA Warns

Posted 30 Oct 2017 by Drugs.com

MONDAY, Oct. 30, 2017 – Black licorice candy may be more trick than treat for adults, according to a new U.S. Food and Drug Administration warning. For people 40 and older, eating 2 ounces of black licorice a day for at least two weeks could trigger an irregular heart rhythm (arrhythmia) and other troubles, the agency warned in advance of Halloween. Black licorice contains a compound called glycyrrhizin, derived from licorice root. Glycyrrhizin can cause potassium levels in the body to fall, which can lead to abnormal heart rhythms as well as high blood pressure, swelling, lethargy and congestive heart failure, the FDA said. After one stops eating black licorice, potassium levels typically return to normal and there are no permanent health problems, according to the agency. The FDA offered the following advice for people who enjoy black licorice. No matter your age, don't eat large ... Read more

Related support groups: Arrhythmia, Cardiac Arrhythmia, Licorice

Wrongly Focusing On The Airway Can Cost Athletes' Lives in Cardiac Arrest

Posted 19 Sep 2017 by Drugs.com

TUESDAY, Sept. 19, 2017 – Athletes are dying from cardiac arrests that occur during play because teammates, coaches and other bystanders don't know how to best save their lives, a new study claims. Cardiopulmonary resuscitation (CPR) applied immediately can give these athletes a fighting chance, but onlookers failed to provide CPR in three out of five cases, according to a review of more than two dozen game videos. Bystanders instead most often tried to keep the athlete from swallowing his or her tongue, acting on the widespread misconception that this must be done to prevent a person in cardiac arrest from asphyxiating, said lead researcher Dana Viskin. She is with the Tel Aviv Sourasky Medical Center and Sackler School of Medicine at Tel Aviv University in Israel. "Athletes, especially professional athletes, are receiving poor CPR because the first responders – that is, their fellow ... Read more

Related support groups: Heart Disease, Heart Attack, Arrhythmia, Myocardial Infarction, Cardiac Arrest, Ischemic Heart Disease, Myocardial Infarction - Prophylaxis, Cardiogenic Shock, Asystole, Post MI Syndrome

Health Tip: Treating Sleep Apnea

Posted 13 Sep 2017 by Drugs.com

-- There's no routine blood test to detect sleep apnea, and it may well be missed during a routine medical visit. But left untreated, sleep apnea can raise a person's risk for significant health risks, according to the U.S. National Heart, Lung, and Blood Institute. Those risks include: High blood pressure, heart attack, stroke, obesity and diabetes. Heart failure. Heart arrhythmia, the medical term for an irregular heartbeat. Driving accidents. Read more

Related support groups: High Blood Pressure, Obesity, Diabetes, Type 2, Sleep Disorders, Insomnia, Hypertension, Fatigue, Arrhythmia, Sleep Apnea, Pre-Diabetes, Obstructive Sleep Apnea/Hypopnea Syndrome, Abnormal Glucose Tolerance, Hypertensive Heart Disease

Early Care by Cardiologist May Lower Stroke Risk for A-Fib Patients

Posted 26 Jun 2017 by Drugs.com

MONDAY, June 26, 2017 – Patients with a common heart rhythm disorder who receive a cardiologist's care soon after diagnosis are less likely to suffer a stroke, a new study finds. Atrial fibrillation, or A-fib, is an irregular, often rapid heart rate that increases the risk of stroke and other complications. It affects between 3 million and 5 million Americans. Researchers from Stanford University School of Medicine analyzed data on more than 184,000 people diagnosed with atrial fibrillation between 2004 and 2012. Within 90 days of diagnosis, 40 percent were cared for by a cardiologist and 60 percent by a primary care doctor only. Patients seen by cardiologists had a 9 percent lower risk of stroke and an 11 percent lower risk of early death, the study found. The lower stroke risk probably resulted from a higher rate of prescriptions for blood-thinning drugs that prevent blood clots, ... Read more

Related support groups: Atrial Fibrillation, Arrhythmia, Transient Ischemic Attack, Prevention of Thromboembolism in Atrial Fibrillation, Ischemic Stroke - Prophylaxis, Thromboembolic Stroke Prophylaxis

Workers Unprepared for Heart Emergencies on the Job: Survey

Posted 26 Jun 2017 by Drugs.com

MONDAY, June 26, 2017 – If your heart stops suddenly while you're on the job, would your co-workers be able to help? Don't bet your life on it. Two American Heart Association (AHA) surveys find most American workers are untrained in CPR and first aid. Half have no idea where to find a defibrillator to deliver a shock to try to restore normal heart rhythm to someone suffering cardiac arrest. "The data suggests these untrained employees may be relying on their untrained peers in the event of an emergency, leaving employees with a false sense of security that someone in the workplace will be qualified and able to respond, when that is clearly not the case," said Dr. Michael Kurz. He co-chairs the AHA's Systems of Care Subcommittee. The heart association surveyed more than 3,000 workers in various fields and found 55 percent can't get first aid or CPR/automated external defibrillator (AED) ... Read more

Related support groups: Heart Attack, Arrhythmia, Myocardial Infarction, Cardiac Arrest, Myocardial Infarction - Prophylaxis, Asystole, Post MI Syndrome

Nighttime Airport Noise May Raise Heart Risks

Posted 14 Jun 2017 by Drugs.com

WEDNESDAY, June 14, 2017 – Aircraft noise, particularly at night, may be linked to an increased risk of high blood pressure and heart flutter in people who live near large airports, a new study suggests. It's one of the first long-term follow-up studies of aircraft noise, but more research is needed to draw conclusions about cause and effect, the researchers said. For the study, Klea Katsouyanni, of the University of Athens department of hygiene, epidemiology and medical statistics, and colleagues analyzed data from 420 people living near Athens International Airport in Greece. As many as 600 aircraft take off and land at the airport every day. Nearly 45 percent of participants were exposed to more than 55 decibels (dB) of daytime aircraft noise. Just over 27 percent were exposed to more than 45 dB of nighttime aircraft noise, the findings showed. Between 2004 and 2006, and during a ... Read more

Related support groups: High Blood Pressure, Sleep Disorders, Insomnia, Hypertension, Arrhythmia, Hypertensive Heart Disease

Cardiac Arrest? Someday, Drones May Come to Your Rescue

Posted 13 Jun 2017 by Drugs.com

TUESDAY, June 13, 2017 – Drones have been proposed for some pretty mundane uses, such as delivering pizzas or packages, but new research suggests the high-flying machines could be used to swoop in and save lives. Swedish researchers think drones can quickly deliver defibrillators to someone whose heart has suddenly stopped beating. "Each minute that passes after a sudden cardiac arrest decreases the chance of survival by approximately 10 percent," explained lead investigator Andreas Claesson. He's a paramedic with the Center for Resuscitation Science at the Karolinska Institute in Stockholm. "In rural areas, a drone carrying an AED [automated external defibrillator] could arrive far ahead – meaning 16 minutes [faster] – of emergency medical services," he said. And that, Claesson said, could "potentially save lives through earlier defibrillation as carried out by bystanders onsite." ... Read more

Related support groups: Heart Attack, Arrhythmia, Myocardial Infarction, Heart Block, Cardiogenic Shock, Asystole, Post MI Syndrome

Implantable Defibrillator May Not Mean End to Sports

Posted 5 Jun 2017 by Drugs.com

MONDAY, June 5, 2017 – Competitive sports may be safe for many athletes who have an implantable cardioverter defibrillator (ICD), new research suggests. The four-year study followed 440 athletes with ICDs who participated in vigorous sports such as running, basketball, soccer, tennis, volleyball, skiing and snowboarding. An ICD is a battery-powered device placed under the skin. When it detects an abnormal heart rhythm (arrhythmia), it delivers an electric shock to restore normal rhythm. In 2015, the American Heart Association said participating in competitive sports may be considered for athletes with ICDs. That advice was based on a study that followed hundreds of athletes with the devices for two years. This longer study of 10- to 60-year-olds followed competitive athletes at the national and international level, high school and college athletes, and others. During the study period, ... Read more

Related support groups: Arrhythmia, Cardiomyopathy, Hypertrophic Cardiomyopathy, Ventricular Fibrillation, Ventricular Arrhythmia, Restrictive Cardiomyopathy, Cardiothoracic Surgery, Idiopathic Hypertrophic Subaortic Stenosis, Cardiomyopathy Prophylaxis

Heart Disease the No. 1 Killer Worldwide

Posted 17 May 2017 by Drugs.com

WEDNESDAY, May 17, 2017 – Roughly a third of all deaths around the world are the result of heart disease and stroke, making cardiovascular disease the number one killer globally, new research finds. Big declines in heart disease-driven fatalities in countries such as the United States, Canada, Australia, Japan, South Korea and many countries in Western Europe have started to level off over the past 20 years, investigators reported. "It is an alarming threat to global health," said study lead author Dr. Gregory Roth, an assistant professor of cardiology at the University of Washington School of Medicine. "Trends in cardiovascular disease mortality are no longer declining for high-income regions," he noted in an American College of Cardiology news release, "and low- and middle-income countries are also seeing more cardiovascular disease-related deaths." The study included 2,300 ... Read more

Related support groups: High Blood Pressure, Hypertension, Smoking, Ischemic Stroke, Heart Disease, Heart Attack, High Cholesterol, Arrhythmia, Myocardial Infarction, Alcoholism, Hangover, Coronary Artery Disease (CAD), Prevention of Cardiovascular Disease, Ischemic Stroke - Prophylaxis, Cardiovascular Risk Reduction, Ischemic Heart Disease, Hypertensive Heart Disease, Acute Alcohol Intoxication

Heart Health Might Be a Matter of Geography

Posted 16 May 2017 by Drugs.com

TUESDAY, May 16, 2017 – The county you call home may have a lot to do with your chances of dying from heart disease or stroke, a new U.S. study reveals. Although deaths from cardiovascular disease have been dropping overall for the past 35 years in the United States, there are still pockets across the country where these death rates are unusually high, the researchers said. Poverty and lack of access to quality care may doom many Americans to early deaths, the study authors suggested. "In some counties, the risk of dying from cardiovascular disease is extremely low, while in other counties the risk continues to be very high," said lead researcher Dr. Gregory Roth. He is an assistant professor of cardiology at the University of Washington. In Pitkin County in Colorado, for example, about 35 people out of 100,000 died from heart disease in 2014 – the lowest death rate in the United ... Read more

Related support groups: Atrial Fibrillation, Heart Disease, Arrhythmia, Aortic Aneurysm, Prevention of Cardiovascular Disease, Cardiovascular Risk Reduction, Endocarditis, Bacterial Endocarditis Prevention, Bacterial Endocarditis Prophylaxis, Ischemic Heart Disease, Myocardial Infarction - Prophylaxis

Energy Drinks May Give the Heart an Unhealthy Jolt

Posted 27 Apr 2017 by Drugs.com

WEDNESDAY, April 26, 2017 – The surge from energy drinks can cause unhealthy changes in your heart rhythm and blood pressure that don't occur with other caffeinated beverages, a small new trial suggests. The blend of caffeine, sugar and herbal stimulants contained in energy drinks may causes changes in the heart's electrical system that can promote an abnormal and potentially dangerous heart rhythm, the researchers found. Energy drinks may also create a longer-lasting increase in a person's blood pressure, compared to caffeine, the trial results suggest. "Consumers should be aware that drinking an energy drink is not the same as drinking coffee or soda. There are differences," said lead researcher Emily Fletcher. She's a deputy pharmacy flight commander from David Grant U.S.A.F. Medical Center at Travis Air Force Base in California. "I would recommend only moderate consumption of ... Read more

Related support groups: Arrhythmia, Prevention of Cardiovascular Disease, Cardiovascular Risk Reduction

Oktoberfest Study Links Boozing to Heart Woes

Posted 27 Apr 2017 by Drugs.com

WEDNESDAY, April 26, 2017 – Drinking heavily over a short period of time can significantly boost the risk of an abnormal heart rhythm, even in healthy people, new German research suggests. The finding stems from a study done at Munich's Oktoberfest, a long-standing Bavarian beer festival held every autumn. Over a 16-day period in 2015, researchers tracked the heart health and drinking patterns of a group of more than 3,000 men and women. The investigators found that nearly a third of the group experienced an abnormal heart rhythm – or "cardiac arrhythmia" – at some point during the festival, a much higher percentage than usually seen among the general population. What's more, investigators calculated that, for every additional gram of alcohol consumed per kilogram of blood (above zero), arrhythmia risk rose by 75 percent. Study co-author Dr. Moritz Sinner, an assistant professor of ... Read more

Related support groups: Heart Disease, Arrhythmia, Alcohol Dependence, Alcoholism, Hangover, Prevention of Cardiovascular Disease, Cardiovascular Risk Reduction, Acute Alcohol Intoxication

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