The heart is a hero. It works relentlessly to deliver oxygen and nutrients to the body. But just like all heroes, sometimes it gets tired, and can’t do its job as well. This is called heart failure – the inability for the heart to pump enough blood and oxygen to the lungs and rest of the body. In this video, Northwestern Medicine cardiologists Clyde W. Yancy, MD, MSc and Jane E. Wilcox, MD, MSc explain what heart failure is and the integrated and collaborative approach used to diagnose, stage and treat heart failure at Northwestern Medicine. For more information, visit http://heart.nm.org
The heart is a muscle and it’s main job is to pump blood but certain things can cause that muscle to fail. There are genetic reasons, there are reasons related to valve disease, and there’s a viral infection that affects the heart called myocarditis.
The most common cause of heart failure is a heart attack. Fatty plaque builds up in the blood vessel that supplies the heart itself and unless that blood vessel is opened up immediately that muscle will die. The rest of the muscle that’s not dead anymore has to do extra to keep on pumping the blood and overtime it cannot keep and that’s when heart failure develops.
There are lots of things you can do to prevent heart disease! The key is to live a healthy lifestyle and see your doctor for regular checkups.
To learn more about heart disease risk factors, please visit https://cle.clinic/3r3iKQh
Statins are a type of medication used to lower the level of bad cholesterol in the blood and reduce build-up in arteries that can cause a heart attack or stroke. This short animated video explains the importance of statins, how they work, and why your doctor may prescribe them.
Chest pain is a common chief complaint. It may be caused by either benign or life-threatening aetiologies and is usually divided into cardiac and non-cardiac causes. James E. Brown, Professor and Chair, Wright State University Boonshoft School of Medicine, Kettering, Ohio, gives us an overview of assessing chest pain in the emergency setting.
On this week’s podcast, how the molecular structure of tooth enamel may impact decay, adhesive patches to heal heart attacks, and a mysterious planetary core from a half-formed gas giant.
In this episode:
00:46 Unravelling tooth enamel
Researchers have been looking into the structure and composition of enamel in an effort to better understand tooth decay. Research Article: DeRocher et al.
07:02 Research Highlights
An adhesive patch to help heal heart-attacks, and a new technique to inspect the structure of 2D ‘wonder materials’. Research Highlight: A healing patch holds tight to a beating heart; Research Highlight: A snapshot shows off super-material only two atoms thick
09:21 Unusual planet
In the region close to stars known as the ‘hot Neptune desert’ planets of Neptune’s size are rarely found, but this week scientists have uncovered one and are trying to untangle its mysteries. Research Article: Armstrong et al.
14:52 Briefing Chat
We take a look at some highlights from the Nature Briefing. This time we talk about the pitfalls of using CRISPR in human embryos, and renaming of moon craters inadvertently named after Nazi scientists. Nature News: CRISPR gene editing in human embryos wreaks chromosomal mayhem; Prospect Magazine: Astronomers unknowingly dedicated moon craters to Nazis. Will the next historical reckoning be at cosmic level?
Hospitals across the U.S. are experiencing an influx of COVID-19 patients, but clinicians are reportedly seeing fewer patients going to the emergency room for heart attack or stroke.
Experts worry that patients who need critical care are delaying their treatment over COVID-19 concerns.
To encourage patients to pay close attention to their symptoms and call 9-1-1 immediately if they believe they are having a heart attack or stroke, ACC’s CardioSmart team developed the Coronavirus and Your Heart Infographic.
The infographic urges patients not to ignore symptoms, especially if they have a heart condition, and reassures them that hospitals have safety measures to protect patients from infection with the novel coronavirus.
Cardiovascular consults are way down. Is the threat of COVID-19 infection scaring people away from ED’s?
We caught up with Dr. Comilla Sasson, the American Heart Association’s VP for science and innovation. She’s an emergency physician who teaches at the University of Colorado. She’d traveled to New York City to “help with the response,” and she talked with us from a field hospital that had been set up on a tennis court in Central Park.
She had lots to say about what’s driving patients away from emergency departments these days and what’s likely to happen in medicine (hello, telemedicine!) once the pandemic abates.
Running time: 15 minutes
From a “Circulation: Heart Failure” Journal study (Feb 25, 2020):
The study shows that wearable sensors coupled with machine learning analytics have predictive accuracy comparable to implanted devices.
We demonstrate that machine learning analytics using data from a wearable sensor can accurately predict hospitalization for heart failure exacerbation…at a median time of 6.5 days before the admission.
Heart failure (HF) is a major public health problem affecting >23 million patients worldwide. Hospitalization costs for HF represent 80% of costs attributed to HF care. Thus, accurate and timely detection of worsening HF could allow for interventions aimed at reducing the risk of HF admission.
Several such approaches have been tested. Tracking of daily weight, as recommended by current HF guidelines, did not lead to reduction of the risk of HF hospitalization, most likely because the weight gain is a contemporaneous or lagging indicator rather than a leading event. Interventions based on intrathoracic impedance monitoring also did not result in reduction of readmission risk. The results suggest that physiological parameters other than weight or intrathoracic impedance in isolation may be needed to detect HF decompensation in a timely manner. In fact, 28% reduction of rehospitalization rates has been shown with interventions based on pulmonary artery hemodynamic monitoring. More recently, in the MultiSENSE study (Multisensor Chronic Evaluation in Ambulatory HF Patients), an algorithm based on physiological data from sensors in the implantable cardiac resynchronization therapy defibrillators, was shown to have 70% sensitivity in predicting the risk of HF hospitalization or outpatient visit with intravenous therapies for worsening of HF.