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Cardiology news

High-performance AI expands electrocardiogram analysis across medical tasks

Conventional AI models in medicine are usually trained for a single, narrowly defined task, such as detecting a specific cardiac arrhythmia. So-called foundation models take a different approach: Much like a language model ...

Modifying heart cell metabolism unlocks self-repair system after heart attack

The adult human heart is a reliable, resilient engine fueling our everyday lives while also being responsive enough to supercharge a Usain Bolt sprint or sustain a three-week bike race in the French Alps and Pyrenees.

Can you have a heart attack and not know it?

When some people think of a heart attack, they picture sudden, crushing chest pain and an ambulance trip to the emergency room. But not all heart attacks are so obvious. Some occur with mild or unusual symptoms, or no symptoms ...

Scientists invent artificial brain to predict heart health

Cardiovascular disease is becoming increasingly common among people ages 20–29, according to the World Health Organization, because of the rise in metabolic conditions such as obesity, hypertension, hyperlipidemia and diabetes ...

FDA-issued sodium targets yield no apparent impact

In 2021, the U.S. Food and Drug Administration (FDA) issued Phase I voluntary sodium reduction targets to encourage manufacturers to lower the amount of sodium in packaged food products by 2024. The targets appear to have ...

Artery-on-a-chip helps predict stroke risk

Predicting an individual's risk of ischemic stroke is difficult because thrombosis embolization—the process of a blood clot detaching from the area where it formed, traveling and then sticking in another blood vessel—is based ...

Misfolded DNA blueprint: A new origin for genetic disease

Congenital heart disease is the most common birth defect, affecting approximately 1 in 100 babies born each year. One of the many causes of this disorder is having only one functional copy of the gene TBX5, rather than the ...

Why air travel can be so hard on the body

At any given time, hundreds of thousands of people are traveling by air. For many, these journeys will pass without consequence. But for some, a routine flight may trigger a health emergency.