Cardiology

A large study finds age strongly increases arrhythmia risk, while higher fitness levels protect against atrial ectopy in asymptomatic adults.

Automatic chest compression devices outperform manual methods for CPR in simulated zero gravity, with piston devices meeting guideline-recommended standards.

A major analysis finds Afro-American patients with hypertension face higher cardiovascular morbidity, while Asian patients carry a greater risk of stroke.

COVID-19 survivors, especially women, show signs of vascular ageing, highlighting new risks for long-term heart health.

Nonviral gene therapy to boost brown fat molecule reverses age-related heart dysfunction in animal studies.

Study finds no long-term cardiovascular benefit from aspirin in healthy older people, but highlights increased bleeding risk.

Wearables reveal unique activity and heart rate patterns in long COVID, showing promise as clinical biomarkers.

Semaglutide improves cardiovascular risk factors but raises health care costs, finds large multicentre cohort study.