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The heart is a muscular organ situated in the mediastinum.It consists of four chambers, four valves, two main arteries (the coronary arteries), and the conduction system. The left and right sides of the heart have different functions: the right side receives de-oxygenated blood through the superior and inferior venae cavae and pumps blood to the lungs through the pulmonary artery, and the left ...
The heart is a muscular organ found in humans and other animals. This organ pumps blood through the blood vessels. [1] Heart and blood vessels together make the circulatory system. [2] The pumped blood carries oxygen and nutrients to the tissue, while carrying metabolic waste such as carbon dioxide to the lungs. [3]
In vertebrates, the circulatory system is a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the body. [1] [2] It includes the cardiovascular system, or vascular system, that consists of the heart and blood vessels (from Greek kardia meaning heart, and Latin vascula meaning vessels).
The section shows: 1) the opened ventricles contracting once per heartbeat—that is, once per each cardiac cycle; 2) the (partly obscured) mitral valve of the left heart; 3) the tricuspid and pulmonary valves of the right heart—note these paired valves open and close oppositely. + (The aortic valve of the left heart is located below the ...
In medicine, the cardiac examination, also precordial exam, is performed as part of a physical examination, or when a patient presents with chest pain suggestive of a cardiovascular pathology. It would typically be modified depending on the indication and integrated with other examinations especially the respiratory examination .
[4] Born in Hampshire, Chamberlain emigrated to Dresden in adulthood out of an adoration for composer Richard Wagner, and was later naturalised as a German citizen. In 1884, he settled in Paris, and was later naturalised as a French citizen. [5] He married Eva von Bülow, Wagner's daughter, in December 1908, twenty-five years after Wagner's death.
Many individuals have unusual airway anatomy, such as those who have limited movement of their neck or jaw, or those who have tumors, deep swelling due to injury or to allergy, developmental abnormalities of the jaw, or excess fatty tissue of the face and neck. Using conventional laryngoscopic techniques, intubation of the trachea can be ...
Schizoid personality disorder (/ ˈ s k ɪ t s ɔɪ d, ˈ s k ɪ d z ɔɪ d, ˈ s k ɪ z ɔɪ d /, often abbreviated as SzPD or ScPD) is a personality disorder characterized by a lack of interest in social relationships, [9] a tendency toward a solitary or sheltered lifestyle, secretiveness, emotional coldness, detachment, and apathy. [10]