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Cardiology news

A new heart failure pacing option may reduce repeat surgeries and shorten implant procedures

Left bundle branch area pacing is an effective and practical strategy for cardiac resynchronization, according to a late-breaking science presentation at EHRA 2026, the annual congress of the European Heart Rhythm Association ...

Students publish paper validating optimal caffeine dosage for newborns with heart disease

Montana State University students published a paper alongside Duke University researchers in the Journal of Pediatric Pharmacology and Therapeutics this spring, validating a study on the optimal caffeine dosage for newborn ...

Researchers use earbuds to monitor heart health

Carnegie Mellon researchers have proven that widely available earbuds can double as heart-monitoring devices, capturing subtle cardiac activity with near-clinical accuracy and potentially expanding access to long-term, at-home ...

Sleep patterns may reveal hidden heart risks

People whose sleep apnea changes dramatically from night to night are 30% more likely to have a heart attack, stroke, or heart failure, reveals a new study from Flinders University. The research, published in the journal ...

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 ...

Study links cold weather with excess cardiovascular deaths

On the heels of one of the coldest winters in memory for large swaths of the United States, new research highlights an often overlooked cost of cold weather: months with lower temperatures see significantly greater rates ...