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What is pulmonary atresia?
Pulmonary atresia is a congenital heart defect where the pulmonary valve does not form properly, leading to a blockage of blood flow from the heart to the lungs. This condition can result in low oxygen levels in the blood and may require surgical intervention to improve blood flow to the lungs.
What is a Pulmonary embolus?
A pulmonary embolus occurs when a blood clot, usually originating in the leg, travels to the lungs and blocks a pulmonary artery. This can result in symptoms such as shortness of breath, chest pain, and even life-threatening complications if not treated promptly. Treatment typically involves blood thinners and, in severe cases, procedures to remove the clot.
Through what valves must the blood move in order to get into the pulmonary artery?
The blood must flow through the pulmonary valve to reach the pulmonary artery. The pulmonary valve is located between the right ventricle and the pulmonary artery, allowing blood to be pumped out of the heart and into the lungs for oxygenation.
What structures are most closely associated with the transport of deoxygenated blood?
The pulmonary arteries and pulmonary veins are most closely associated with the transport of deoxygenated blood. The pulmonary arteries carry deoxygenated blood from the heart to the lungs for oxygenation, while the pulmonary veins return oxygenated blood from the lungs to the heart.
What are the parts of pulmonary circulation?
Starting from the right atrium, blood flows into the right ventricle then into the pulmonary arteries. The blood branches throughout the pulmonary trunk and down to the level of the pulmonary capillaries. At this level carbon dioxide dissolves out of the blood and the erythrocytes (red blood cells) pick up oxygen. The blood is collected in the pulmonary veins and taken back to the left atrium for distribution throughout the body.
Can a pulmonary embolism burst open?
A pulmonary embolism (PE) itself does not "burst open," as it is a blockage in a pulmonary artery caused by a blood clot or other material. However, if the clot breaks apart or if new clots form, it can lead to further complications, including the obstruction of additional blood vessels in the lungs. This can exacerbate symptoms and increase the risk of serious health issues, such as respiratory failure. Prompt medical attention is crucial to manage and treat a pulmonary embolism effectively.
How is a vain used to bypass a blockage?
The vein is used quite frequently to by pass blockage. The veins are first recovered and prepared by removing any valves. It is then reversed and joined by suturing to the artery above the obstruction and the lower end is joined below the obstruction so that blood can bypass and flow through this new venous channel past the obstruction .
What can precipitation in IV administration lead to?
Precipitation from the solution may lead to complications such as pulmonary microcapillary occlusion and blockage of blood flow.
What is pulmonary atresia?
Pulmonary atresia is a congenital heart defect where the pulmonary valve does not form properly, leading to a blockage of blood flow from the heart to the lungs. This condition can result in low oxygen levels in the blood and may require surgical intervention to improve blood flow to the lungs.
Is the blockage of a vessel by an embolus an embolism?
Yes, an embolism is the sudden blockage of a blood vessel by an embolus. The embolism is often named for the causative factor, such as an air embolism or a fat embolism or its location, such as pulmonary embolism.
What is arterial obstruction?
Arterial obstruction refers to the blockage of an artery, which can impede blood flow to various tissues and organs. This obstruction can be caused by a variety of factors, including atherosclerosis (buildup of plaque), blood clots, or external compression. Symptoms may vary depending on the location and severity of the obstruction, potentially leading to conditions such as ischemia or tissue damage. Timely diagnosis and treatment are crucial to restore adequate blood flow and prevent complications.
Is PAH the same as pulmonary hypertension?
Pulmonary Arterial Hypertension (PAH) is a specific type of pulmonary hypertension characterized by high blood pressure in the pulmonary arteries, primarily due to narrowing or blockage of these vessels. While all PAH is a form of pulmonary hypertension, not all pulmonary hypertension is PAH; pulmonary hypertension can also result from other conditions such as left heart disease, lung diseases, or chronic blood clots. Therefore, PAH is a subset of the broader category of pulmonary hypertension.
WHAT IS A PULMONARY INFARCT?
A pulmonary infarct is an area of lung tissue that has died due to a lack of blood supply, often resulting from a blockage in the pulmonary arteries, typically caused by a blood clot (pulmonary embolism). This condition can lead to symptoms such as chest pain, shortness of breath, and coughing up blood. Diagnosis is typically made through imaging studies like a CT scan, and treatment may involve anticoagulants or other therapeutic interventions to restore blood flow and address the underlying cause.
Can chrohns disease cause bilateral pulmonary embolisms?
Chron's disease is a chronic inflammation of the large intestine, and pulmonary embolism is a blockage of blood-flow in the lungs. There is nothing I can think of that Chron's disease would put in the bloodstream that would block blood flow to the lungs; so i am inclined to say no.
What is a traveling blood clot called?
A traveling blood clot is called an embolus. It can move through the bloodstream and potentially get lodged in a blood vessel, causing blockage and leading to serious health complications such as a pulmonary embolism or stroke.
What is the difference between cor pulmonale and pulmonary embolism?
A pulmonary embolism is a tissue fragment (part of a blood clot, fat, amniotic fluid, part of a tumour or bullet fragment) that became loose in the blood stream and was carried by the blood stream to a different location. A pulmonary embolism is, in most cases, a thromboembolism (part of a blood clot), which is carried from the deep veins of the legs or the pevis. It travels up the blood stream, through the inferior vena cava, into the heart, and subsequently into the pulmonary artery. In the pulmonary artery, it arrests, forming a potentially life threating occlusion. Cor pulmonale is hypertrophy of the right ventricle due to chronic pulmonary hypertension. The pulmonay hypertension means that the right ventricle has to pump blood with greater force, causing its muscle to hypertrophy (enlarge in size). Therefore, to summarize, a pulmonary embolism is an obstruction of pulmonary blood flow while cor pulmonale is the morphological change of the right ventricle due to pulmonary hypertension.
What will cause the blockage of the blood to the brain?
A stroke or brain aneurysm can result in sudden blockage of blood flow the brain, which can result in disability or death. Other conditions, such as central nervous system vasculitis can also cause similar symptoms.
