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What is the medical term meaning imperfect dilation of the lungs or the collapse of an alveolus?
Atelectasis is the medical term for the imperfect dilation of the lungs or the collapse of an alveolus. Atelectasis can be caused by various factors such as blockage of the airways, pressure on the lung, or inadequate surfactant production. Treatment usually involves addressing the underlying cause and providing respiratory support if necessary.
What does an increase in PAWP mean?
An increase in pulmonary artery wedge pressure (PAWP) typically indicates an increase in left atrial pressure. This can be caused by conditions such as heart failure, pulmonary hypertension, or fluid overload. It can lead to symptoms like shortness of breath and fluid accumulation in the lungs.
How do pulmonary agents cause pulmonary edema?
Pulmonary agents can cause pulmonary edema by disrupting the normal balance of fluid in the lungs, leading to fluid accumulation in the air sacs (alveoli) and interstitial spaces. This can result from mechanisms such as increased capillary permeability, inflammation, or increased hydrostatic pressure in the pulmonary circulation. Ultimately, this leads to impaired gas exchange and breathing difficulties.
What is the cause of pulmonary stenosis?
Pulmonary stenosis is often caused by congenital heart defects where the pulmonary valve is abnormally narrow. This narrowing restricts blood flow from the right ventricle to the lungs, leading to increased pressure in the right side of the heart. Pulmonary stenosis can also be acquired later in life due to conditions like rheumatic heart disease or infective endocarditis.
What is the difference between pulmonary hypertention and pulmonary fibrosis?
Pulmonary Hypertension is the term for the condition of elevated blood pressure in the pulmonary arteries. This is caused by narrowing of the pulmonary arteries due to various factors such as, genetics, certain types of heart disease and chronic lung diseases (COPD, sleep apnea, emphysema, etc.).Pulmonary Fibrosis is a scarring of the lung. Fibrotic tissue forms in place of the lungs' alveoli (air sacs) . As this fibrotic tissue thickens, it erodes the ability of the lungs to pass oxygen to the bloodstream.Some of the causes, as listed by the Pulmonary Fibrosis Foundation (pulmonaryfibrosis.org) are:Inhaled environmental and occupational pollutantsCigarette smokingDiseases such as Scleroderma, Rheumatoid Arthritis, Lupus and SarcoidosisCertain medicationsTherapeutic radiation- Jeff Espina (Calico_Jack)
What does an elevated pulmonary wedge pressure indicate?
an elevated pulmonary wedge pressure indicate that the pressure in the left atrium is evevated .
What is an alveolar rupture?
An alveolar rapture refers to a situation where the alveolus raptures as a result of increased trans alveolar pressure with less pressure in the adjacent intestinal space. The rapture is dangerous because the amount of pulmonary congestion or obstruction that prevents the expansion of the lung is immeasurable, thereby leaving no criteria for safe pressures.
What develops within the pulmonary capillaries when the pressure increases?
pulmonary edema
What is pulmonary?
Pulmonary is a term that is relating to the lungs. When someone has a high blood pressure in the arteries of the lungs, they would have pulmonary hypertension.
Where would pressure be caused by stenosis of the mitral valve?
There will be higher pressure in the left atrium, when there is mitral stenosis. There will dilatation of the left atrium as well as there will hypertrophy of the left atrium. There will raise in the pulmonary veins. This will lead to pulmonary edema. This will eventually lead to high pressure in pulmonary arteries. That is called as pulmonary hypertension. The pressure in right ventricle will increase. Then the pressure in the right atrium will increase. Then the pressure in the systemic venous side will increase. This will lead to right sided heart failure.
Is the pulmonary circulation a high pressure circulation?
No
What is normal pressure for pulmonary artery?
25
Does blood in pulmonary vein flow with pressure?
yes if pressure is there only it is possible
Does the pulmonary artery have higher pressure than the pulmonary veins?
yes. because it pumps blood to the lungs.
How does high pulmonary capillary wedge pressure indicate high left atrial pressure?
There is little resistance between the pulmonary artery (where the catheter is placed in PCW) and the left atrium. This means that the pressure remains about constant.
What diagnosis means that the blood pressure in the pulmonary circulation is high?
Pulmonary hypertension, which is a serious illness and can lead to heart failure.
What open and allow blood to flow into pulmonary trunk?
The pulmonic valve, a semilunar valve located between the right ventricle and the pulmonary trunk, opens to allow blood to flow into the pulmonary artery. This valve opens when the pressure in the right ventricle is greater than the pressure in the pulmonary artery, allowing blood to be pumped from the heart to the lungs for oxygenation.
