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Topic: Aortic dissection

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	Aortic dissection - Wikipedia, the free encyclopedia
		Aortic dissection is a tear in the wall of the aorta (the largest artery of the body).
		The risk of dissection in individuals with bicuspid aortic valve is not associated with the degree of stenosis of the valve.
		Because aortic dissection may present to the emergency room physician similar to a myocardial infarction, the physician must be careful to make the proper diagnosis prior to initiating treatment for myocardial infarction, since the treatment regimen for myocardial infarction can be lethal to an individual presenting with aortic dissection.
	en.wikipedia.org /wiki/Aortic_dissection (3663 words)

	MedlinePlus Medical Encyclopedia: Aortic dissection
		Aortic dissection is a condition in which there is bleeding into and along the wall of the aorta (the major artery from the heart).
		Aortic dissection involves bleeding into and along the wall of the aorta (the major artery from the heart), most often because of a tear or damage to the inner wall of the artery.
		Aortic dissection may also be associated with other injury, infection, congenital (present from birth) weakness of the aorta, collagen disorders (such as Marfan's syndrome, pseudoxanthoma elasticum, Ehlers-Danlos syndrome, relapsing polychondritis, or abdominal aortic aneurysm).
	www.nlm.nih.gov /medlineplus/ency/article/000181.htm (742 words)

	Aortic Dissection (Site not responding. Last check: 2007-11-07)
		Aortic dissection is a tear or partial tear in the lining of the largest blood vessel in the body, the aorta.
		Aortic dissections are commonly found in people with high blood pressure, arteriosclerotic vascular disease, in individuals with a family history of aortic (or thoracic) dissection and more rarely associated with congenital cardiovascular disorders (Marfan’s syndrome, Ehlers-Danlos syndrome, and congenital valvular disorders).
		The key to diagnosing an aortic dissection is to confirm that it is in fact a dissection and not a heart attack, and which type it is (as the treatment options vary significantly).
	sutterheartinstitute.org /conditions/aorticdissection.html (797 words)

	Aortic Dissection and You (Site not responding. Last check: 2007-11-07)
		Dissection can occur in any part of the aorta and the symptoms that a person with a dissection experiences may depend on where in the aorta the dissection is occurring.
		In both studies, the aortic root diameters were all within normal limits, and in none of these individuals was the aortic root near the upper limits of normal.
		In other words, although the risk for aortic dissection in a person with Turner syndrome is greater than the risk for someone who does not have Turner syndrome (a high relative risk), the risk to each individual with Turner syndrome is still low (absolute risk).
	www.geocities.com /pugetsoundtss/aorticdissectionandyou.html (3359 words)

	eMedicine - Aortic Dissection : Article by Oladayo Osinuga, MD
		The pain of aortic dissection is typically distinguished from the pain of acute myocardial infarction by its abrupt onset, although the presentations of the two conditions overlap to some degree.
		The ascending aorta is the anterior tubular portion of the thoracic aorta from the aortic root proximally to the innominate artery distally.
		Aortic continuity after dissection of a diseased segment is reestablished by means of a prosthetic sleeve graft between the 2 ends of the aorta.
	www.emedicine.com /MED/topic2784.htm (6684 words)

	Aortic Dissection: Aneurysms and Aortic Dissection: Merck Manual Home Edition (Site not responding. Last check: 2007-11-07)
		An aortic dissection (dissecting aneurysm, dissecting hematoma) is an often fatal disorder in which the inner layer (lining) of the aortic wall tears.
		In an aortic dissection, the inner layer (lining) of the aortic wall tears, and blood surges through the tear, separating (dissecting) the middle layer from the outer layer of the wall.
		During surgery, the surgeon removes the largest possible area of dissected aorta, closes the false channel between the middle and outer layers of the aorta's wall, and rebuilds the aorta with a synthetic graft.
	www.merck.com /pubs/mmanual_home2/sec03/ch035/ch035c.htm (1019 words)

	THE MERCK MANUAL, Sec. 16, Ch. 211, Diseases Of The Aorta And Its Branches
		Dissection may originate anywhere along the aorta, but the most common sites are the proximal ascending aorta within 5 cm of the aortic valve and the descending thoracic aorta just beyond the origin of the left subclavian artery.
		Another anatomic classification designates dissection involving the ascending aorta as type A and that confined to the descending thoracic aorta as type B. Many physicians simply refer to dissection of the ascending aorta as proximal, and that of the descending aorta as distal.
		Medical therapy is generally recommended for patients with distal aortic dissection, except those in whom the dissection may have leaked, those with limb or visceral ischemia, and those with symptomatic or enlarging aneurysms.
	www.merck.com /mrkshared/mmanual/section16/chapter211/211b.jsp (1455 words)

	AORTIC DISSECTION
		Traumatic injury is a major cause of aortic dissection, especially blunt trauma to the chest as with the steering wheel of a car during an accident.
		Pregnancy, valve disorders (including aortic insufficiency) may also be associated with aortic dissection.
		Aortic dissection occurs in approximately 2 out of 10,000 people.
	www.primecarepc.com /PatientEd/aortic_dissection.htm (390 words)

	Aortic dissection - MayoClinic.com
		An aortic dissection is a serious condition in which a tear develops in the inner layer of the aorta, the large blood vessel branching off of the heart.
		The signs and symptoms of aortic dissection may mimic those of other diseases, so it is not always diagnosed until after complications occur.
		However, when an aortic dissection is detected early and treated promptly, your chance of survival greatly improves.
	www.mayoclinic.com /health/aortic-dissection/DS00605 (248 words)

	Thoracic aortic dissection
		Aortic aneurysm is a general widening of the aorta due to weakening of the media.
		Thoracic aortic dissection is the most common acute illness of the aorta, being two to three times more common than rupture of the abdominal aorta.
		Mortality from untreated dissection of the ascending aorta is very high; 33% in the first 24 hours after onset of symptoms, 50% in the first 48 hours, and 75% within 2 weeks.
	www.cfpc.ca /cfp/2003/May/vol49-may-clinical-3.asp (1159 words)

	Aortic Dissection: Diagnosis and Follow-up with Helical CT -- Sebastià et al. 19 (1): 45 -- RadioGraphics
		Aortic Dissection: Diagnosis and Follow-up with Helical CT
		aortic dissection is an aneurysm of the false lumen (20) (Fig
		Penetrating atherosclerotic ulcers of the descending thoracic aorta: evaluation with CT and distinction from aortic dissection.
	radiographics.rsnajnls.org /cgi/content/full/19/1/45 (5552 words)

	eMedicine - Dissection, Aortic : Article by John Wiesenfarth, MD, MS, FACEP, FAAEM (Site not responding. Last check: 2007-11-07)
		Aortic dissection is the most common catastrophe of the aorta, 2-3 times more common than rupture of the abdominal aorta.
		The pain of aortic dissection typically is distinguished from the pain of acute myocardial infarction (AMI) by its abrupt onset.
		Aortic dissection should be considered strongly in all patients reporting acute, sudden, and severe chest pain that is maximal at onset.
	www.emedicine.com /emerg/topic28.htm (6441 words)

	Aortic dissection
		Incidence is twice that of ruptured abdominal aortic aneurysm
		Surgery for Type B dissections is associated with significant risk of paraplegia
		Aziz S, Ramsdale D R. Acute dissection of the thoracic aorta.
	www.surgical-tutor.org.uk /system/vascular/dissection.htm (296 words)

	aortic dissection - OneLook Dictionary Search
		Tip: Click on the first link on a line below to go directly to a page where "aortic dissection" is defined.
		Aortic dissection : MEDLINE plus Illustrated Medical Encyclopedia [home, info]
		Phrases that include aortic dissection: acute aortic dissection
	www.onelook.com /?w=aortic+dissection&ls=a (127 words)

	Healthopedia.com - Aortic Dissection (Aortic Dissecting Intramural Hematoma, Dissection of the Aorta, Dissecting Aortic ...
		An aortic dissection is a tear in the inner layer of the wall of the aorta.
		The aorta is the largest artery in the body and is directly attached to the heart.
		Links to other sites are provided for information only -- they do not constitute endorsements of those other sites.
	www.healthopedia.com /aortic-dissection (354 words)

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