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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 ...
A Peritoneovenous shunt: (also called Denver shunt) [2] is a shunt which drains peritoneal fluid from the peritoneum into veins, usually the internal jugular vein or the superior vena cava. It is sometimes used in patients with refractory ascites. It is a long tube with a non-return valve running subcutaneously from the peritoneum to the ...
The lung structure is important for the mechanism of ventilation-perfusion coupling. Pleura (plural: pleurae) is a single membrane surrounding the lung. It folds back to form two layers, and each layer is called parietal pleura and visceral pleura.
A cardiac shunt is when blood follows a pattern that deviates from the systemic circulation, i.e., from the body to the right atrium, down to the right ventricle, to the lungs, from the lungs to the left atrium, down to the left ventricle and then out of the heart back to the systemic circulation.
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.
This article will discuss what exactly a liver shunt is, how to recognize the signs of a liver shunt, what treatment options are available, and how to manage the disease. Read on to find out more!
Neo-natal and later lung collapse may be due to lung infection, or possibly to a malfunction in the epiglottis, causing the in-breath to draw air into the digestive tract rather than the lungs. A short term malfunction of this sort may be perpetuated by the resulting colic creating a feedback loop that interrupts the correct breathing process.