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Vor 4 Tagen · Powerful signals travel from the heart to the brain, affecting our perceptions, decisions and mental health. And the heart is not alone in talking back. Other organs also send mysterious...
Vor 5 Tagen · Cardiologists discuss the management of heart failure with preserved ejection fraction, including updated guidelines, research, and a fresh look at the future. Through a Different Lens:...
Vor einem Tag · ICNC-CT 2024. Seville - Spain. The International Conference on Nuclear Cardiology and Cardiac CT (ICNC-CT) is co-organised by the ASNC, EACVI, and EANM. 19/05/2024 00:00 21/05/2024 00:00 Europe/Paris ICNC-CT 2024. Access event page. Seville - Spain European Association of Cardiovascular Imaging contact@escardio.org true DD/MM/YYYY. June 2024.
Vor 4 Tagen · Heart, organ that serves as a pump to circulate the blood. It may be as simple as a straight tube, as in spiders and annelid worms, or as complex as the four-chambered double pump that is the center of the circulatory system in humans, other mammals, and birds. Learn more about the heart in this article.
- The Editors of Encyclopaedia Britannica
- In humans, the heart is situated between the two lungs and slightly to the left of center, behind the breastbone. It rests on the diaphragm, the mu...
- The heart consists of several layers of a tough muscular wall, the myocardium. A thin layer of tissue, the pericardium, covers the outside, and ano...
- The pumping of the heart, or the heartbeat, is caused by alternating contractions and relaxations of the myocardium. These contractions are stimula...
- The rhythmic noises accompanying the heartbeat are called heart sounds. The two distinct sounds are heard, a low, slightly prolonged “lub” (first s...
Vor 5 Tagen · Researchers led by teams from the Universities of East Anglia (UEA), Sheffield, and Leeds, have been able to fine-tune how magnetic resonance imaging (MRI) is used to detect heart failure in women’s hearts, making it more accurate.
Vor einem Tag · The circulatory system includes the heart, blood vessels, and blood. [2] The cardiovascular system in all vertebrates, consists of the heart and blood vessels. The circulatory system is further divided into two major circuits – a pulmonary circulation, and a systemic circulation.
Vor 2 Tagen · The heart is a muscular organ found in most animals. This organ pumps blood through the blood vessels of the circulatory system. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs.
