The heart doesn't have to work as hard under conditions of weightlessness experienced by crew members living weeks and months aboard the International Space Station (ISS). Frequent, intense exercise ...
Hemodynamic observations were performed one and six months after cardiac transplantation in a 46-year-old man. Cardiac catheterization revealed normal pressures at rest and a slightly decreased ...
NEW ORLEANS, LA—Rate-adaptive atrial pacing to increase heart rate during exercise is not a useful strategy in patients who have heart failure with preserved ejection fraction (HFpEF) and chronotropic ...
The physical characteristics of the patients selected for study are given in Table 1, in which they are listed according to age. In every case this was the first attack of thyrotoxicosis, the ...
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What really happens to your heart during a marathon
Adrenaline surges, elevated heart rate, and rising troponin: Here's what happens to your heart during a marathon.
When you engage in regular exercise and strength training, circulation improves which eventually lowers blood pressure and boosts endurance. This helps to strengthen the heart muscle and improve ...
A negative diastolic stress test may indicate pulmonary hypertension in patients with suspected HFpEF and unexplained dyspnea. About 1 in 5 patients with unexplained dyspnea have pulmonary ...
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