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  • 1.
    Embolism - Wikipedia, the free encyclopedia
  • Thromboembolism – embolism of thrombus or blood clot. ... In retrograde embolism, however, the emboli move in opposition to the blood flow ...
  • http://en.wikipedia.org/wiki/Embolism
  • 2.
    embolism: Definition from Answers.com
  • More about Embolism: Causes and symptoms Diagnosis Treatment Prognosis Prevention Resources Embolism Definition An embolism is an obstruction in a
  • http://www.answers.com/topic/embolism
Questions/Answers
What are symptoms of apulmonary embolism?
Hi. A couple of years ago I went to the doctors about a cough I've always had. They did blood work and a chest X-Ray but found nothing. Now recently I found out that my mothers father died of a pulmonary embolism at the age of 33. What I'm wondering is if this cough I have is related to a pulmonary embolism. Also, is a pulmonary embolism genetic?
The symptoms of pulmonary embolism include (in rough order of prevalence) pleuritic chest pain (pain worst in breathing in), shortness of breath, fever, fast heart rate, cough with/without blood. Large pulmonary emboli can result in low blood pressure and the attendant symptoms - dizziness, blackouts, loss of consciousness, etc. A cough without any other of the above symptoms is quite unlikely to be due to a pulmonary embolus. The tendency to form blood clots (and hence having a higher risk of embolus) can indeed be genetic - there are blood tests to screen for some of the more common conditions, but having a normal test doesn't mean that you are not at increased risk, particularly given your family history. Aspirin is a cheap drug that may be beneficial in lowering your risk of a pulmonary embolus - but I would hasten to add that there is no solid trial evidence for its effectiveness in this context.
What is the best way toprevent Air Embolism?
I'm taking a SCUBA diving class at my college, and since I am OCD I keep on worrying and worrying about the Air Embolism they mention. Exactly what depth should you start worrying about AE and what is the best way to avoid having one? Is there any real danger of having one while doing "practice dives" in a swimming pool?
Air embolism or an arterial gas embolism can occur in as little as 4ft of water, although it is considered a leading problem in diving accidents and fatalities it is still extremely rare and I have never personally experianced or ever dove with anyone that it has happened to, and I have seen a few newbies hit the surface and come half way out of the water. There are people who are predisposed to this type of problem but it will usually show up early on when they begin diving in a mild case and prevent any future diving, a friend of mine had a patent foramen ovale which manifested itself at 50 ft after which he could never dive again. Other than physiological the most common cause is holding your breath on ascent which is invariably in a panic situation with a new or inexperianced diver, who forget to breath out as they rush for the surface. As for what depth you should worry about it? I have never worried about it and I have been to 185 fsw(feet salt water) on compressed air, but usually it is in the last few feet before the surface that the air pressure increases the quickest. For a full write up go to www.scuba-doc for more indepth information, http://www.scuba-doc.com/agepr bs.html This site will also provide just about all the info you would need to know about diving medicine. Also check out the DAN website http://www.diversalertnetwork. org/medical/articles/article.a sp?articleid=65 Arterial gas embolism is a major cause of death in diving and the initiating cause (pulmonary barotrauma) usually goes undetected. Caused most often by the expansion of respiratory gases during ascent, it also occurs when the breath is held during ascent from a dive, when there is local pulmonary pathology, when there is dynamic airway collapse in the non-cartilaginous airways and if there is low pulmonary compliance, particularly if this is not distributed evenly throughout the lungs. Boyle's law is the physical law controlling the event. Experimental evidence indicates that intratracheal pressures of about 10 kPa (4 fsw or 1.22 m. or ascending from 170 feet or 51.82 m. to 120 feet or 36.58 m.) are all that's needed for it to happen. Distention of the alveoli leads to rupture, alveolar leakage of gas, and extravasation of the gas into the arterial circuit. In all diving is a fun safe sport which millions of people around the globe experiance every year, have some fun, practice safe diving exercises and remember to not hold your breathe on ascent and you will have a great time and many wonderful diving storyes and experiance to tell your kids when you get older.
What is the difference betweenan aneurysm and an embolism?
Is the difference where they happen (head versus body), between hitting a vein or artery, or how serious the damage is? Can a cerebral accident be both an aneurysm and an embolism at the same time?
Yes. An aneurism is the ballooning of a blood vessel, and it can rupture due to a weak vessel wall. An embolism is a clot floating around in the bloodstream, and is critical when it reaches either the brain or the heart. Elsewhere, it may cause a stroke/paralysis.
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