Dr. John Day, Cardiologist

The Longevity Plan Wins the Nautilus Gold Medal for Best Book on Health and Healing

The Longevity Plan: Seven Life-Transforming Lessons from Ancient China… Read More

To Make A Bigger Impact, Pay Less Attention To Productivity And More To Purpose

The idea for this article came from the work of Dr. John Day, a cardiologist and author of The Longevity Plan, a book that took five years to research and write… Read More

Huffington Post Best Books of 2017

If getting healthier is part of your 2018 plan, this book is a must read. In The Longevity Plan, Dr. Day shares a proven program to help readers feel sharper, more motivated, and to live pain-free… Read More

Dabigatran safe, effective alternative to warfarin for AF

Compared with warfarin, dabigatran was associated with similar incidence of ischemic stroke and overall bleeding in patients with atrial fibrillation, according to… Read More

Afib Awareness Month

As part of Atrial Fibrillation Awareness Month, Dr. John Day and Mellanie True Hills, CEO of StopAfib.org, were featured on 20+ local and national TV/radio stations with a Satellite Media Tour. Watch Video

Statewide book festival will open a chapter at the Park City Library

Presentations will be held in the Jim Santy Auditorium, starting on Thursday, Sept. 14, with Dr. John Day. “We tried to find authors that target issues and things that we’re interested in. A couple of years ago, he went to China and looked at …Read More

Whoever Controls Health, Controls Your Quality of Life

Dr. John Day was the senior investigator on three landmark studies. In 2009, he and his colleagues made a breakthrough connection between atrial fibrillation and Alzheimer’s. Podcast episode from Blog Talk Radio featuring Dr. Day as the guest …Listen to Podcast

Take Back Your Health Now!

Dr. Day took the information he learned from the remarkable centenarians of Bapan and applied that information back to his own life and his medical practice. Podcast episode from Dr. Daniel Margolin featuring Dr. Day as the guest …Listen to Podcast

The KEY to living longer: Ditching chips for THIS similar dish may help you reach old age

UK life expectancy increases may have plateaued, but changing your diet may help. Experts believe that a certain type of side – sweet potato …Read More

The foods to eat daily for a super-long life (According to the oldest people in the world)

At age 44, cardiologist John Day, MD, was overworked, hypertensive, in constant pain, and full of excuses. He took five …Read More

Cardiology care soon after AF diagnosis tied to lower stroke risk

Patients with atrial fibrillation who received care from a cardiologist within 90 days after diagnosis had a decreased risk for stroke, according to a …Read More

New book teaches 7 ways to live longer

A doctor and leading Cardiologist is teaching a formula for longer life in a new book. Along with other medical tests, Dr. Day did a genetic study of the Bapan residents. He was shocked to discover that the residents of Bapan had the same predictors for …Read More

The secret to living past 100 can be found in this remote Chinese village

When Dr. John Day first heard about a remote Chinese village where the residents — despite having few modern amenities — suffered virtually none of the …Read More

Tips for a Long, Healthy Life From ‘Longevity Village’

Like almost everyone else in the U.S., I have tried a lot of diets and exercise regimens over the years, without much success or benefit. I was suffering from …Read More

Intermountain becomes first in U.S. to deploy heart-mapping tool for cardiac arrhythmia

Three Utahns and their doctors made history Monday at Intermountain Medical Center. They became the first in the U.S. to use…Read More

Intermountain doctors are first to use new heart mapping technology

No one walking down the street past Dorothy Bradford would ever know she was 88 years old. She still exercises, does yard work and lives on her own. But two years ago, Bradford realized something wasn’t right. The activities she…Read More

Utah doctor has a formula for a longer — and better — life

Dr. John Day wants you to live longer, and he thinks he knows how you can do this. Day is a cardiologist and electrophysiologist, and he has an 11-foot paddle board strapped to the top of his car, eats salads for breakfast and writes books while walking on a treadmill. He has traveled the…Read More

Rivaroxaban May Help Dissolve Left Atrial Thrombus in Patients With A-fib

Providing validation to what many physicians are already doing, a new study suggests that non-vitamin K antagonist oral anticoagulants (NOACs)—rivaroxaban, in particular—are effective alternatives to warfarin for resolving thrombi in the…Read More

FDA approves leadless pacemaker to treat arrhythmia disorders

The FDA has approved the first pacemaker that does not require wired leads to generate the electrical impulses needed to treat arrhythmia disorders, according to press releases from the agency and Medtronic…Read More

Smog Raises Heart Risks in Those With Diabetes

Long periods of exposure to air pollution — including dust and car exhaust — heightens heart risks for women with diabetes, a large, new study indicates. Building on prior research linking shorter exposures to air…Read More

Sudden Cardiac Arrest May Not Be So Sudden

Sudden cardiac arrest may not be as sudden as doctors have thought, researchers report. Roughly half of cardiac arrest patients experience telltale warning signs that their heart is in danger of stopping in the month preceding their…Read More

Impact of sustained weight loss on AF draws more attention to benefits of lifestyle change

Atrial fibrillation is a complicated and vexing disorder, placing patients…Read More

Botulinum toxin injection during CABG suppresses AF for 1 year

Injection of botulinum toxin into epicardial fat pads during CABG reduced the incidence of postoperative atrial fibrillation and suppressed…Read More

Uninterrupted rivaroxaban feasible in patients undergoing catheter ablation for AF

In patients undergoing catheter ablation for nonvalvular atrial fibrillation, uninterrupted rivaroxaban use was feasible and associated with similar…Read More

Wireless LV endocardial pacing may benefit CRT nonresponders

A wireless left ventricular endocardial pacing system could be a viable alternative for patients with HF in whom cardiac resynchronization therapy is not beneficial, researchers reported at the Heart Rhythm Society Annual Scientific…Read More

Dr. John Day Begins Term as HRS President

John D. Day, MD, FHRS, received the ceremonial gavel Friday night during the annual Presidents’ Reception, signifying the start of his term as the 37th President of the Heart Rhythm Society…Read More

Botulism Shot to the Heart May Wipe Out Erratic Rhythms

Botulinum toxin, widely embraced as the wrinkle-remover Botox, appeared to also wipe out a common and potentially deadly heart rhythm problem…Read More

Panic Attack or Atrial Fibrillation? Here’s How to Tell

People with anxiety or depression are most likely to mistake panic for atrial fibrillation. The aim of treating the most common heart rhythm…Read More

Eat Peanuts: You May Live Longer

In the first study of its kind, eating nuts, including peanuts, has been linked to fewer deaths across ethnic groups, even for people who had metabolic conditions like morbid obesity or diabetes, were smokers, or drank alcohol…Read More

Dangers of Atrial Fibrillation

Irregular heart beats called atrial fibrillation can happen to anyone at anytime. It’s one of the issues with the heart that doesn’t have strict guidelines. But if left untreated, many people end up with a stroke, dementia, or heart disease…Read More

Lowering Blood Pressure in Those With Diabetes Helps Prevent Heart Disease

If you have type 2 diabetes, lowering your blood pressure by just 10…Read More

10-Step Do-It-Yourself Heart Makeover

Is Your Heart Telling You It’s Time for a Makeover? The physical shape your heart is in makes all the difference between leading a long, healthy life or facing chronic illness. Heart disease is the No. 1 killer in the…Read More

100 Years of Healthy Habits: Secrets of Chinese Centenarians

At 115, Boxin Huang is the oldest resident of China’s Bapan Village, also called Longevity Village. But he’s not extraordinary there, where many live long past 100 years. Cardiologist John Day, MD, of Intermountain…Read More

MagnaSafe: MRI safe for patients with pacemakers, ICDs

Patients with pacemakers and implantable cardioverter defibrillators that were not MRI-conditional were able to receive MRIs with almost no clinically relevant problems, according to findings from the MagnaSafe…Read More

Atrial Fibrillation Caregiver Tips

Do you or someone that you know suffer from atrial fibrillation (A-fib)? If so, you are not alone. Studies show that 1 in 4 adults will suffer at least one episode of this most common type of heart arrhythmia. I was interviewed by Everyday Health on caregiver tips for people suffering atrial fibrillation and other medical conditions…Read More

Paper Clip-Sized Heart Devices Open New Industry Markets

Have you or someone you love ever passed out for an unknown reason? As a cardiologist I often see these patients who faint or pass out for unknown reasons. Sometimes, people can faint for benign reasons and other times it can be a life-threatening heart rhythm problem…Read More

This Is Your Heart on E-Cigarettes

I was interviewed by Everyday Health on the cardiac risks of E-cigarettes. In this article I discuss the many risks of E-cigarettes to the cardiovascular system.
E-cigarettes are gaining in popularity, and lack the dangerous smoke, tar, and carbon monoxide of traditional smokes…Read More

Biggest New Studies In The Field of Heart Rhythm Abnormalities

I was interviewed by Cardiology Today about some of the biggest new studies that have recently come out in the field of heart rhythm abnormalities. In this article, I discussed how these new studies will impact how cardiologists perform defibrillator surgeries, lifestyle changes following atrial fibrillation ablation procedures to maximize the long term success rate, new pacemakers without any wires in the heart, and how to minimize the rise of dementia…Read More

John D. Day, MD, on remote monitoring for pacemakers

In this video, John D. Day, MD, of Intermountain Heart Institute in Murray, UT, discusses the results of a study presented at the Heart Rhythm Society Annual Scientific Sessions assessing the impact of a remote monitoring system for pacemakers on survival outcomes.…Read More

Weight-Loss Surgery May Help Prevent Heart Rhythm Disorder

Weight-loss surgery not only helps obese people drop pounds, but it may also prevent the dangerous heart rhythm disorder known as atrial fibrillation, according to new research. Scientists from the Mayo Clinic found that significantly fewer patients who underwent weight-loss surgery, also known as “bariatric” surgery…Read More

Leadless Pacing Shows Promise, But Hits Snags

Longer-term results from the first-in-man study of the Nanostim leadless pacemaker showed the device continued to work as expected, but a postmarketing study in Europe has been temporarily halted following reports of perforations and deaths. Through 1 year, measures of pacing …Read More

Botulinum Toxin for Postop Afib?

Injecting botulinum toxin into the fat pads around the heart after bypass surgery might stave off postoperative atrial fibrillation, a pilot study showed. Patients who received injections of botulinum toxin instead of a normal saline placebo had a significantly lower rate of atrial tachyarrhythmias — including atrial fibrillation and atrial flutter/tachycardia — in the first 30 days…Read More

HRS.14: Latest tech, case management & many attendees

Preregistration attendance for Heart Rhythm Society 2014 has increased significantly compared with last year in all demographic categories, said John D. Day, MD, chair of the scientific session program committee, with notable bumps in international physicians and allied professionals.…Read More

Routine ICD Testing Headlines HRS Meeting

A trial addressing the question of whether implantable cardioverter-defibrillators (ICDs) need to be tested at the time of implantation will lead off the late-breaking clinical trials at the Heart Rhythm Society meeting here. The trials supporting the approval of ICDs decades ago included such testing, which involves induction of ventricular.…Read More

Drugs to Stop Smoking Are Safe for the Heart

Drugs used to help smokers quit are safe for the heart, and one of them cut risk of major heart events in half, according to results from the largest analysis of these medications ever done. The analysis of 63 clinical trials with more than 30,000 smokers found no link between the drugs and heart attacks, strokes, or heart-related deaths…Read More

Weight Loss Helps Afib Patients Control Symptoms

Losing weight makes a difference for people managing the irregular heartbeat of atrial fibrillation, or afib, finds an Australian clinical trial published today in JAMA, and a U.S. expert agrees. In a study of 150 afib patients who were also overweight or obese, researchers provided either weight management or general lifestyle advice. All of the patients got intensive…Read More

Ask the Expert Webcast – Common Myths of Heart Disease

Cardiologist John Day, MD, from the Intermountain Medical Center Heart Institute, discusses 6 common myths about heart disease and answers a few lives question during the August Ask the Expert webcast…Watch Video

3D Heart Mapping to Treat Atrial Fibrillation

Does it seem like your heart is always racing? Maybe you have shortness of breath, or feel a little weak. These are all signs of a condition called atrial fibrillation. Instead of major surgery, at the Intermountain Medical Center Heart Institute in Murray, Utah, are using 3D technology to help map precisely the areas of the heart that are causing the atrial…Read More

Bystander CPR Training Triples Survival Rates After Cardiac Arrest

A nationwide push in Denmark for bystander CPR training has paid off in greatly improved survival rates, which were three times higher even at one year after cardiac arrests. The new data comes from a Danish study published in the journal JAMA, based on research conducted by Mads Wissenberg, MD, at Copenhagen University Hospital in…Read More

A Patient’s Story: The Risk of Putting Off Atrial Fibrillation Treatment

In the summer of 2005, marathon runner Danny Huey stepped out for a late-morning run in his hometown of Houston. Huey, who was 53 at the time, admitted he’d had too much to drink the night before. “I thought I’d get out there and get it out of my system,” he recalled…Read More

Foods High in Potassium for Heart Health

Getting the right high potassium foods in your diet is essential for heart health. According to cardiologist John Day, MD, “Having the right amount of potassium is critical for the heart to beat properly. If your potassium levels are too high or too low, the heart is at increased risk of a cardiac arrest.” Having enough potassium rich foods in your diet can.​..Read More

At 88, Atrial Fibrillation Doesn’t Get in Her Way

Ask Renee Kunz, 88, of Bern, Idaho, how she’s doing, and she’ll tell you: “Old, but fine. I can’t complain.” You would never know she has atrial fibrillation, an electrical disorder of the heart that causes an irregular heartbeat. Kunz keeps herself busy sewing quilts and growing flowers to take to church on Sundays and strawberries to make jam for friends and family. “No one who comes to visit her leaves empty-handed,” said her daughter, Eloise Miller, a kindergarten teacher who lives across the ​..Read More

A New Defibrillator Option Is Safe and Effective, Study Finds

Today, a large study published in the most prestigious cardiac medical journal, Circulation, shows that a new type of implantable defibrillator is not only very effective but also very safe. The FDA approved the totally new and different type of an implantable defibrillator, one that does not even…Read More