Bleeding
hideBleeding, technically known as hemorrhaging or haemorrhaging (see American and British spelling differences) is the loss of blood from the circulatory system. Bleeding can occur internally, where blood leaks from blood vessels inside the body or externally, either through a natural opening such as the vagina, mouth, nose, or anus, or through a break in the skin. The complete loss of blood is referred to as exsanguination, and desanguination is a massive blood loss. Typically, a healthy person can endure a loss of 10-15% of the total blood volume without serious medical difficulties, and blood donation typically takes 8-10% of the donor's blood volume.
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News tagged with bleeding
What are the risk factors for rebleeding after negative angiography?
Sep 16, 2009 |
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Acute non-variceal gastrointestinal bleeding accounts for approximately 20% of emergency room visits and 5% of admissions. Although endoscopy has been used as a first-line treatment option in patients with gastrointestinal ...
Endoscopy within 24 hours shows better outcomes in elderly with peptic ulcer bleeding
Aug 18, 2009 |
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A new study shows that elderly patients who underwent endoscopy within one day of presentation for peptic ulcer bleeding had a two-day shorter hospital stay and were less likely to require upper gastrointestinal surgery than ...
Meckel's diverticulum masked by intermittent recurrent subocclusive episodes
Jun 24, 2009 |
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Meckel's diverticulum (MD) is the most frequent congenital abnormality of the small bowel and it is often difficult to diagnose. It is usually asymptomatic but approximately 4% are symptomatic with complications such as bleeding, ...
Bleeding disorders going undiagnosed; new guidelines to help
Jun 02, 2009 |
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Nearly one percent of the population suffers from bleeding disorders, yet many women don't know they have one because doctors aren't looking for the condition, according to researchers at Duke University Medical Center.
Colorectal cancer risks quantified
Apr 17, 2009 |
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Although the presenting features of colorectal cancer are well known, the risks they confer are less well defined. New research published in the open access journal BMC Medicine describes the exact risks posed by eight clinic ...
New tool calculates risk of bleeding in heart attack patients
Apr 14, 2009 |
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With eight basic medical facts in hand, doctors can now estimate the risk of bleeding for a patient having a heart attack. Using clinical variables, researchers at Washington University School of Medicine in St. Louis, Duke ...
Spinal taps carry higher risks for infants and elderly, study shows
Medicine & Health / Neuroscience
Mar 18, 2009 |
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An X-ray-guided spinal tap procedure fails more than half of the time in young infants and should be used sparingly, if at all, for those patients, according to a new study done by researchers at Wake Forest University School ...
First-in-class compound proves safe, tolerable in preventing blood clots
Mar 12, 2009 |
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A new drug derived from magnolia trees appears to be able to uncouple two important functions of thrombin in blood clot formation and may offer a way to better control the potentially dangerous complications of bleeding and ...
Kidney disease affects response to blood thinner
Feb 18, 2009 |
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Patients with reduced kidney function require lower doses of the anticoagulant drug warfarin, and may need closer monitoring to avoid serious bleeding complications, suggests a study in the April 2009 issue of the Journal of ...
Bleeding hearts revealed with new scan
Jan 19, 2009 |
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Images that for the first time show bleeding inside the heart after people have suffered a heart attack have been captured by scientists, in a new study published today in the journal Radiology.
Researchers offer new insight into effectiveness of procedure to stop heavy menstrual bleeding
Jan 05, 2009 |
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Experts estimate that 20 percent of women experience excessive or prolonged menstrual bleeding at some time during their lives, particularly as they approach menopause. A new, less invasive procedure called global endometrial ...
Medication used to reduce nausea following tonsillectomies linked with increased risk of bleeding
Dec 09, 2008 |
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Use of the steroid medication dexamethasone is effective in reducing nausea and vomiting after tonsillectomies for children, but also is associated with an increased risk of postoperative bleeding, according to a study in ...
New clinical study will help doctors assess abnormal bleeding
Nov 04, 2008 |
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How do you know if you bleed normally? Scientists at The Rockefeller University Hospital’s Center for Clinical and Translational Science (CCTS) aim to answer that question more definitively with the launch of an assessment ...
Better instructions reduce complications among patients using common blood thinner
Oct 27, 2008 |
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Patients who report receiving written and verbal instructions on the proper way to take the blood thinner warfarin are significantly less likely to suffer the serious gastrointestinal and brain bleeding problems that are ...
How to avoid heart disease: brush your teeth, say scientists
Sep 10, 2008 |
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Bad teeth, bleeding gums and poor dental hygiene can end up causing heart disease, scientists heard today at the Society for General Microbiology's Autumn meeting being held this week at Trinity College, Dublin.
