Pregnancy increases blood volume and cardiac output, imposing a hemodynamic burden on the maternal heart. In women with repaired Tetralogy of Fallot, this increased workload can exacerbate cardiac ...

Coronary blood flow plays a fundamental role in sustaining myocardial function and adapting to the physiological demands of the heart. Its intricate ...

Cardiovascular scientists at City St George's, University of London, have identified crucial clues from a heart rhythm test ...

In the 1966 novel Fantastic Journey, by Isaac Asimov, a miniature submarine and crew travel throughout the human circulatory ...

In a surgical first, doctors have replaced a heart valve through a small neck incision using robotic assistance, avoiding the ...