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Doctor insights on: Prominent Pulmonary Artery

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Dr. Debra Rosenblatt
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Artery (Definition)

Arteries are defined as blood vessels which carry blood away from the heart (to either the body or lungs). Arteries: higher pressure, thicker walls, stretch (pulse) with each heart contraction & deliver blood to the arterioles which control the flow to individual capillaries. Veins are blood vessels which carry blood from capillaries back to the heart (body to right heart; ...Read more


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Please explain why PDA does not occur in right branch of pulmonary artery?

Please explain why PDA does not occur in right branch of pulmonary artery?

Pda: If there is a right sided aortic arch, there could be a PDA to the right pa branch, this would require several simultaneous congenital malformations which would have a very low probability. ...Read more

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What's a pulmonary artery catheter used for?

What's a pulmonary artery catheter used for?

Cardiac function: The PA catheter is used to measure pressures in the pulmonary circulation and measure cardiac output. Both are critical informations needed to assess cardiac function in critically sick patients and guide therapy. ...Read more

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Tetrology of fallot with pulmonary artery?

Tetrology of fallot with pulmonary artery?

Congenital defect: Tetralogy of fallot is a congenital defect of the heart in which the there is a hole in the ventricular septum (wall that separate the two ventricles) of the heart, overriding of the septal defect by the aorta and atresia of the pulmonary artery, it causes mixing of arterial blood with venous blood, therefore hypoxemia (low level of oxygen) to the general circulation, pulmonary HTN may occur. ...Read more

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Why is pulmonary artery called an artery not a vein?

Artery vs vein: Arteries take blood away from the heart (right ventricle in this case) and veins return blood to the heart (pulmonary veins drain into the left atrium). ...Read more

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How does pulmonary artery differ from the vena cava?

How does pulmonary artery differ from the vena cava?

Anatomy lesson: The pulmonary artery is the vessel that carries blood from the right ventricle to the lungs where the blood is oxygenated. The vena cava are veins that drain blood into the right atrium from both the upper and lower halves of the body. ...Read more

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Is it dangerous to have an enlarged pulmonary artery?

Is it dangerous to have an enlarged pulmonary artery?

May be a sign of...: An enlarged pulmonary artery may indicate pulmonary arterial hyper tension. A work up should be done to investigate. A 2d-echo, ct scan, possible sleep study.... ...Read more

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How to differentiate between a central line and a pulmonary artery catheter?

How to differentiate between a central line and a pulmonary artery catheter?

Length : CVP catheter can not go beyond the right atrium and therefore it is less than 50 cm long. In contrast, pulmonary artery catheter can go past the pulmonary artery and into the pulmonary capillaries and it is over 100cm long. In addition, it has a balloon tip to facilitate the positioning of the catheter into the pulmonary artery via a peripheral vein. ...Read more

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What's the difference between a central line and a pulmonary artery catheter?

What's the difference between a central line and a pulmonary artery catheter?

Lines: A central line generally ends in the right atrium and a pulmonary artery line ends in the main pulmonary artery ...Read more

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What does this mean Other Anomalies Of Pulmonary Artery And Pulmonary Circulation with collateral flow?

Partial description: That sounds like only part of a larger description? Anomalies usually refers to a congenital or birth defect. Collateral flow means blood is reaching its target tissue by alternate routes. Taken all together, my guess is: there is some congenital obstruction or diversion of blood from the right ventricle thru the lungs that, nonetheless, has found a way to get through. ...Read more

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Can a pulmonary artery rupture be fatal?

Can a pulmonary artery rupture be fatal?

Rupture PA fatal: The pulmonary artery is large, with pressure lower than systemic pressure. So, yes a rupture, tear, of laceration in the pulmonary artery (or one of its many branches) can be lethal; blood loss, not easy to control, or compress. ...Read more

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How does one know if one has a ruptured pulmonary artery?

How does one know if one has a ruptured pulmonary artery?

One is dead: A ruptured pa is one of the fastest ways to die. I wouldn't worry about it. If you're coughing up blood, and it's not from a nosebleed, that's a medical urgency if not emergency, but it's probably not a pa rupture. ...Read more

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Is there a difference between Pulmonary artery disease and Pulmonary artery hypertension?

Is there a difference between Pulmonary artery disease and Pulmonary artery hypertension?

Terminology: Pulmonary artery disease is a vague term that may relate to any abnormal process in the pulmonary arterial system, however, pulmonary arterial hypertension is a very specific disorder that is defined by an elevated mean pulmonary arterial pressure, a normal wedge pressure, and an elevated pulmonary vascular resistance. These are measured by doing a right heart catherization. ...Read more

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Would my husbands symptoms after a saddle embolism of pulmonary artery have been different if it were treated earlier?

Would my husbands symptoms after a saddle embolism of pulmonary artery have been different if it were treated earlier?

Likely same: The symptoms are size and location related.
If a peripheral clot had been identified and treated, it may have been possibly prevented
from becoming an embolus. ...Read more

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What does this mean: ascending aorta at the level of the pulmonary artery bifurcation measures 2.5 x 2.3cm ap and transverse? Is this too big?

What does this mean: ascending aorta at the level of the pulmonary artery bifurcation measures 2.5 x 2.3cm ap and transverse?  Is this too big?

Not too big. : When is the ascending aorta too big? Depends on the aortic valve, how fast it is growing, underlying connective tissue disorder, symptoms, size of the patient, and, of corse, size of the aorta. Two and a half centimeters is not too big though. ...Read more

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Is the right pulmonary artery connected to the arch of the aorta, if so, by what?

Ductus arteriosus : The pulmonary artery is connected to the aorta through ductus arteriosus which most often occludes just after birth ...Read more

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My echo showed normal heart and pulmonary artery pressures normal at 25-30mmoh isn't this too high?

My echo showed normal heart and pulmonary artery pressures normal at 25-30mmoh isn't this too high?

Probably ok: The best person to review the echo findings with is the doctor who ordered the test. The diagnostic gold standard for PAH is right heart catherterization. ...Read more

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Is it ok if the pulmonic valve and the pulmonary artery were not well visualized in my echocardiogram if I had an abnormal ecg?

What was looking 4 ?: What was the doc looking for when he ordered the test? Discuss that with him and if appropriate the test can be redone. ...Read more

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Is there difference between pulmonary artery hypertension and RVSP? If so, is there difference in severity? My echo showed RVSP42.57 mmHg, why?

Is there difference between pulmonary artery hypertension and RVSP? If so, is there difference in severity? My echo showed RVSP42.57 mmHg, why?

Yes. Need expert.: RVSP is a sign- or rather a calculation based on an echocardiogram. By itself, it doesn't mean anything. PAH is a medical condition characterized by high pressures in the pulmonary vessels. While symptom severity correlates with pressr, RVSP is calculated (estimated) & not directly measured. PAH is diagnosed based on symptoms & pressure readings on right heart catheterization. Use HealthTap Prime. ...Read more

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The congenital anomaly with a connection between the pulmonary artery an aorta is called?

The congenital anomaly with a connection between the pulmonary artery an aorta is called?

PDA: A patent (open) ductus (vessel) arteriosis (between 2arteries). This opening is normal and usually closes with the first breath or two in a newborn. If it doesn't close, sometimes it needs to be tied off surgically. ...Read more

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Why coarctation of aorta in infantile, cause passes of the blood from pulmonary artery to the aorta through pda?

Why coarctation of aorta in infantile, cause passes of the blood from pulmonary artery to the aorta through pda?

Plumbing!: Blood must get to the body, else the fetus would not survive. The same is true once the baby is born. In utero, blood flows from pulm artery (pa) to aorta (ao) normally. Once born, the blood continues to flow this way so that blood can get to the body. When the PDA closes, the child becomes very sick. ...Read more

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Pulmonary artery catheter — what does it mean if it doens't hurt the heart valves?

Pulmonary artery catheter — what does it mean if it doens't hurt the heart valves?

Correct: Catheter floats through the valves and doesn't penetrate the heart or valves
think like a floater at the end of a string and float it through a tunnel with running water same effect. ...Read more

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Why coarctation of aorta in infants, causing blood flow from pulmonary artery to aorta?

Why coarctation of aorta in infants, causing blood flow from pulmonary artery to aorta?

PDA : It would only do that if the coarctation was severe and there was a patent ductus arteriosus (pda) which is a connecting artery between the aorta and pulmonary artery, leading to blood flow from pa to the descending aorta. ...Read more

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Lul non small cell hilum region with lymph node involvement on pulmonary artery. Pet scan negative. Please stage.

Need more info: To completely stage, would need more information. However, lymph node involvement excluded stage 0 and stage i.

If lymph nodes are on the same side as the hilar tumor, the tumor is at least 2 cm from the carina (where trachea divides into r and l main bronchi) and the tumor is 5 cm or smaller, it is stage iia. If tumor is 5-7 cm, and the rest true, it is stage iib.

After that, it is complex! ...Read more

Respiratory (Definition)

Pertaining to the work of breathing done by the chest ...Read more