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  2. Atrioventricular septal defect - Wikipedia

    en.wikipedia.org/wiki/Atrioventricular_septal_defect

    When holes form between the chambers, as in AVSD, the pools can mix. Consequently, arterial blood supplies become less oxygenated than normal, causing ischemia and cyanosis in distal tissues. [3] To compensate, the heart must pump a larger volume of blood to deliver enough oxygen, leading to cardiac enlargement and hypertrophy. [5]

  3. Atrial septostomy - Wikipedia

    en.wikipedia.org/wiki/Atrial_septostomy

    Atrial septostomy is a surgical procedure in which a small hole is created between the upper two chambers of the heart, the atria.This procedure is primarily used to palliate dextro-Transposition of the great arteries or d-TGA (often imprecisely called transposition of the great arteries), a life-threatening cyanotic congenital heart defect seen in infants.

  4. Anatomy of the human heart - Wikipedia

    en.wikipedia.org/wiki/Anatomy_of_the_human_heart

    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 ...

  5. Atrial septal defect - Wikipedia

    en.wikipedia.org/wiki/Atrial_septal_defect

    Atrial septal defect (ASD) is a congenital heart defect in which blood flows between the atria (upper chambers) of the heart. Some flow is a normal condition both pre-birth and immediately post-birth via the foramen ovale ; however, when this does not naturally close after birth it is referred to as a patent (open) foramen ovale (PFO).

  6. Wikipedia : Osmosis/Atrial septal defect

    en.wikipedia.org/wiki/Wikipedia:Osmosis/Atrial...

    This type of defect is an acyanotic heart defect, which means “not blue”, since oxygenated blood is going into pulmonary circulation and essentially taking “an extra” trip to the lungs. In contrast, a cyanotic heart defect allows deoxygenated blood to bypass the lungs and make it out to the body, causing a blue or purplish discoloration ...

  7. Cardiac shunt - Wikipedia

    en.wikipedia.org/wiki/Cardiac_shunt

    Atrial septal defect with left-to-right shunt. The left and right sides of the heart are named from a dorsal view, i.e., looking at the heart from the back or from the perspective of the person whose heart it is. There are four chambers in a heart: an atrium (upper) and a ventricle (lower) on both the left and right sides. [1]

  8. Thoracic cavity - Wikipedia

    en.wikipedia.org/wiki/Thoracic_cavity

    structures of the cardiovascular system, including the heart and great vessels, which include the thoracic aorta, the pulmonary artery and all its branches, the superior and inferior vena cava, the pulmonary veins, and the azygos vein; structures of the respiratory system, including the diaphragm, trachea, bronchi and lungs [1]

  9. Heart - Wikipedia

    en.wikipedia.org/wiki/Heart

    In humans, the heart is approximately the size of a closed fist and is located between the lungs, in the middle compartment of the chest, called the mediastinum. [4] In humans, the heart is divided into four chambers: upper left and right atria and lower left and right ventricles.

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