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A pulmonary shunt is the passage of deoxygenated blood from the right side of the heart to the left without participation in gas exchange in the pulmonary capillaries. It is a pathological condition that results when the alveoli of parts of the lungs are perfused with blood as normal, but ventilation (the supply of air) fails to supply the perfused region.
All forms of portosystemic shunts produce various neurological, gastrointestinal, and urinary symptoms. [3]Symptoms of congenital PSS usually appear by six months of age [4] and include failure to gain weight, vomiting, and signs of hepatic encephalopathy (a condition where toxins normally removed by the liver accumulate in the blood and impair the function of brain cells) such as seizures ...
Flat-chested kitten syndrome (FCKS) is a disorder in cats wherein kittens develop a compression of the thorax (chest/ribcage) caused by lung collapse. [citation needed] This is a soft-tissue problem and is not caused by vertebral or bony malformation.
Ductus arteriosus evolved with the lung in the ancestors of the lungfish as a connection between the pulmonary arteries and dorsal aorta. During embryonic development, reptiles, birds, and mammals all have either one or two paired ductus arteriosi that provide a fetal shunt of blood away from the lungs.
In the lungs the blood is oxygenated and returned to the left atrium to complete the circuit. [ 1 ] The other division of the circulatory system is the systemic circulation that begins with receiving the oxygenated blood from the pulmonary circulation into the left atrium.
A portosystemic shunt or portasystemic shunt (medical subject heading term; PSS), also known as a liver shunt, is a bypass of the liver by the body's circulatory system.It can be either a congenital (present at birth) or acquired condition and occurs in humans as well as in other species of animals.
A liver shunt in dogs, also known as a portosystemic shunt (PSS), is a condition where blood bypasses the liver. Usually, blood from the digestive tract will flow through the liver before ...
Pulmonary laceration, in which lung tissue is torn or cut, differs from pulmonary contusion in that the former involves disruption of the macroscopic architecture of the lung, [1] while the latter does not. [2] When lacerations fill with blood, the result is pulmonary hematoma, a collection of blood within the lung tissue. [3]