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Cardiology news

Blood vessels activate self-defense response that may slow atherosclerosis progression

A study by researchers at Baylor College of Medicine and collaborating institutions reveals a previously unrecognized way blood vessels can protect themselves from damage and slow the development of atherosclerosis. The findings, ...

Cold skin, hot heart, one gene: Hidden temperature switch decides where disease appears

The saying "cold hands, warm heart" is usually meant metaphorically—but new research from UC Davis School of Medicine and collaborating institutions suggests it has a striking biological parallel.

Health care costs reach a breaking point

With health care costs constituting a major source of concern across the U.S., the American Heart Association, a relentless force changing the future of health for everyone, everywhere, today released a Presidential Advisory ...

AI model could warn of cardiac arrest 10 to 15 minutes early

Perelman School of Medicine cardiologist Rajat Deo has been studying electrocardiographic (ECG) data and cardiac rhythms for nearly two decades at Penn. He says that every second, hospitals generate "enormous streams of ECG ...

Plant-based eating may reduce inflammation

Consuming a plant-based diet may help lower levels of a key marker of inflammation in the body, according to analysis of clinical trials led by University of Warwick researchers. The study, published in Nutrition, Metabolism ...

The new cholesterol guideline: What to know

For the first time since 2018, a clinical guideline from the American College of Cardiology and the American Heart Association for screening and managing blood cholesterol levels has been updated and jointly published in ...

Zone 2, 3, 4? What do heart rate zones mean for your health?

Runners, cyclists and gym-goers with wearable fitness trackers are no doubt familiar with the five "heart rate" zones. Ranging from low to very high intensity, these zones are calculated as percentages of a person's maximum ...

New MRI system could aid early detection of heart failure

The heart's ability to use oxygen efficiently is a critical indicator of its health, but tests to measure this function have drawbacks that can limit their use. A new Cedars-Sinai Health Sciences University study found that ...

AI model reads cardiac MRI scans with near expert accuracy

A Penn Medicine–led team has developed a first-of-its-kind artificial intelligence system that interprets cardiac MRI scans with performance approaching expert clinicians. Trained on more than 300,000 MRI video clips from ...

Lower hemoglobin levels may offer several health benefits

Hemoglobin is a vital protein found in red blood cells and its primary function is to transport oxygen from the lungs to various tissues throughout the body. According to Finnish reference values, normal hemoglobin levels ...