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 ...
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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.
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 ...
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 ...
Your heart is one of the most important organs of the body. It pumps oxygenated blood to the body, helps in nutrient delivery in the body, sends oxygen-poor blood to the lungs, receives oxygen-rich ...
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