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Topic: Bleeding time

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	Bleeding time
		Bleeding time is a medical test done on someone to assess their platelet function.
		The time it takes for bleeding to stop (as thus the time it takes for a platelet plug[?] to form) is measured.
		Bleeding time is affected by platelet function, and not by other coagulation factors so in haemophilia it is normal.
	www.ebroadcast.com.au /lookup/encyclopedia/bl/Bleeding_time.html (142 words)

	April 1994 - Use and Misuse of the Bleeding Time
		Bleeding times have been performed on the finger tip and the ear lobe in the past but the ability to standardize the technique and obtain reproducible results are questionable.
		Bleeding times may also be useful to monitor the response after a therapeutic maneuver such as stopping an interfering drug, performing dialysis in a patient with renal failure, or infusing DDAVP, platelets, or cryoprecipitate in a patient with a previously long bleeding time.
		Bleeding times are not recommended as a screening test for bleeding due to a potentially high false positive rate in the normal population.
	www.itxm.org /Archive/tmu4-94.htm (908 words)

	Bleeding Time (Hemostasis Test) \| AHealthyMe.com
		The bleeding time test is usually used on patients who have a history of prolonged bleeding after cuts, or who have a family history of bleeding disorders.
		A normal bleeding time for the Ivy method is less than five minutes from the time of the stab until all bleeding from the wound stops.
		Bleeding time is longer when the normal function of platelets is impaired, or there are a lower-than-normal number of platelets in the blood.
	www.ahealthyme.com /topic/topic100586523 (899 words)

	Bleeding Disorders in Pediatric Otolaryngology
		The bleeding time is an in vivo assessment of platelet response to limited vascular injury and is reflective of the integrity of the primary hemostatic mechanism.
		Bleeding time is prolonged in thrombocytopenia, qualitative platelet disorders, von Willebrand's Disease, fibrinolytic states, afibrinogenemia, vasculitis, and aspirin therapy.
		Platelet disorders are characterized by petechiae, purpura, mucosal membrane bleeding, and bruisibility.
	www.bcm.edu /oto/grand/11394.html (2033 words)

	Bleeding Time - Health Centers
		This is a test that measures the speed at which small blood vessels close off to stop bleeding (the condition of the blood vessels) and platelet function.
		The bleeding stops within 1 to 9 minutes (what is considered normal varies from lab to lab, depending on how the test is measured).
		The bleeding time test is used to evaluate the vascular (blood vessel) and platelet factors associated with hemostasis (blood clot formation).
	www.channel3000.com /encyclopedia/6864722/detail.html (452 words)

	Comparative Coagulation -- NYS Animal Health Diagnostic Center (Site not responding. Last check: 2007-11-03)
		Lip bleeding time is expected to be prolonged in patients with severe acquired or inherited platelet dysfunction or severe von Willebrand disease.
		The time from incision to cessation of blood flow is recorded as the buccal mucosal bleeding time.
		Toenail bleeding time is expected to be prolonged in patients with acquired or inherited platelet dysfunction, coagulation factor deficiency, severe von Willebrand disease, or the hemorrhagic phase of DIC.
	www.diaglab.vet.cornell.edu /coag/clinical/bleeding.asp (570 words)

	Bleeding Disorders - Health Centers (Site not responding. Last check: 2007-11-03)
		Bleeding disorders are a group of conditions of the blood clotting (coagulation) system, in which bleeding following an injury is prolonged and excessive.
		Others are developed during certain illnesses (such as vitamin K deficiency or severe liver disease), or treatments (such as use of anticoagulant drugs or prolonged use of antibiotics).
		Bleeding disorders can also result from a decreased number of (or impaired function of) platelets, the blood cells that promote blood clotting.
	www.channel3000.com /encyclopedia/6861821/detail.html (410 words)

	BioMed Central \| Full text \| Genetic background determines response to hemostasis and thrombosis
		Bleeding and rebleeding time in the CSS backcrosses
		The bleeding time, an indicator of hemostatic activity, was determined after prewarming the tail, clipping a 5 mm segment, placing the tail in warm saline and measuring the time for the bleeding to stop.
		Rebleeding time, an indicator of thrombus stability, was measured as the time between the cessation of bleeding and the start of the second bleeding (Figure 2B).
	www.biomedcentral.com /1471-2326/6/6 (6379 words)

	Bleeding time - Wikipedia, the free encyclopedia
		Bleeding time is affected by platelet function, certain vascular disorders and von Willebrand Disease, and not by other coagulation factors so in haemophilia it is normal.
		While warfarin and heparin have their major effects on coagulation factors, an increased bleeding time is sometimes seen with use of these medications as well.
		People with von Willebrand disease usually experience increased bleeding time, as von Willebrand factor is a platelet agglutination protein, but this is not considered an effective diagnostic test for this condition.
	en.wikipedia.org /wiki/Bleeding_time (363 words)

	National Hemophilia Foundation for All Bleeding Disorders \| Hemophilia, von Willebrand Disease, Thrombophilia
		The disease is estimated to occur in 1% to 2% of the population.
		Bleeding time is the amount of time that elapses before bleeding stops after a small cut is made on the forearm.
		Bleeding is usually controlled in individuals with mild von Willebrand disease by using this nasal spray to boost their own factor VIII and von Willebrand levels.
	www.hemophilia.org /bleeding_disorders/vwd.htm (1457 words)

	Bleeding (Site not responding. Last check: 2007-11-03)
		Bleeding, unless it is by injury, is caused by a calcium deficiency in the body.
		Bleeding from the nose (epistaxis) is generally caused by the rupture of a small vessel in the nose due to pressure in the head (with a rupture occurring at the weakest point).
		Bleeding of the Bowels: Boil 1 ounce of mullein in 1 pint of milk for a few minutes, strain and give in 1/2 cupful doses after each bowel evacuation (and if you don't have a scale or the time to calculate the equivalent measure, just grab some and go to work).
	www.herballegacy.com /id37.htm (2281 words)

	Abnormal Uterine Bleeding
		Menometrorrhagia is an all encompassing term used to describe irregular or excessive bleeding, or both, during menstruation or between menstrual cycles.
		Dysfunctional uterine bleeding is the term used to describe abnormal bleeding caused by hormonal abnormalities in the absence of pregnancy, tumor, infection, or coagulopathy (no demonstrable organic lesion).
		Bleeding should cease within 24 hours, but patients should be warned to expect heavy bleeding 2 to 4 days after stopping therapy.
	webpages.charter.net /saabrio/OBGYN_Uterine_Bleeding.htm (832 words)

	Fabric bleeding: How to predict the future (Site not responding. Last check: 2007-11-03)
		Bleeding can occur when the dye on the polyester threads reaches a temperature high enough to transform it from a solid to a gas (sublimation).
		One of the easiest is to cut a piece of the fabric to be printed and set it into a container of plasticizer for a minimum of 24 hours (the longer, the better).
		If, after that time, you see swirls of red dye in the plasticizer, it is a sure bet that bleeding will be an issue.
	stitches.com /mag/apparel_fabric_bleeding_predict (918 words)

	Hemostasis Reference Laboratory \| Bleeding Time (Surgicutt)
		The duration of bleeding from a standard skin incision is determined while maintaining constant increased venous pressure.
		The bleeding time measures the overall hemostatic role of platelets.
		The most common causes of a prolonged bleeding time are von Willebrand disease and an acquired platelet functional abnormality (e.g., medications such as aspirin).
	www.psbc.org /lab_hemostasis/platelet01.htm (87 words)

	MDAdvice.com - Health Library - Medical Tests
		Note: Bleeding time is measured by one of four methods -- Duke, Ivy, template or modified template.
		If you have a bleeding tendency, such as hemophilia, keep a pressure bandage over the incision for 24 to 48 hours to prevent further bleeding*.
		Bleeding time depends on the elasticity of the blood-vessel wall and on the number and functional capacity of platelets.
	www.mdadvice.com /library/test/medtest38.html (528 words)

	UpToDate Approach to the child with a bleeding disorder
		For example, bleeding from the umbilical stump with delayed wound healing suggests the presence of factor XIII deficiency [1].
		The value of a detailed bleeding history was emphasized in a study in which routine pre-operative laboratory testing failed to detect any clinically significant abnormalities in patients with normal bleeding histories [2].
		— An inherited bleeding disorder should be strongly considered when the onset of bleeding manifestations occurs in infancy or early childhood and is associated with a positive family history.
	patients.uptodate.com /topic.asp?file=pedi_hem/8754 (606 words)

	Safety Bleeding-time Devices
		Bleeding time measures the length of time that bleeding occurs after a wound is made.
		Bleeding time is usually within a normal range when the platelet count is greater than 100,000.
		This procedure was performed in the past by a lancet stab to the ear lobe or to the forearm.
	www.isips.org /safety_bleeding_time.html (162 words)

	[No title]
		Von Willebrand's disease (VvWD) is an inherited bleeding disorder.
		In dogs, the most common clinical signs are spontaneous bleeding from the gums or nose, blood in the urine or gastrointestinal tract, or excessive bleeding at the time of surgery.
		Von Willebrand's disease is a hereditary bleeding disorder caused by a deficiency of von Willebrand factor.
	www.lycos.com /info/bleeding-disorder--blood.html (458 words)

	Case Based Pediatrics Chapter (Site not responding. Last check: 2007-11-03)
		Bleeding disorders can either be inherited or acquired and are due to defects in either primary or secondary hemostasis.
		The bleeding time is an uncommonly ordered test during which a standardized small laceration is created on the patient's forearm and the time for the bleeding to stop is measured and compared to standard times.
		The bleeding symptoms can be similar to that seen with thrombocytopenia or platelet dysfunction and usually involve the mucous membranes and patients present with complaints of recurrent epistaxis, oral bleeding with dental care, and menorrhagia.
	www.hawaii.edu /medicine/pediatrics/pedtext/s11c06.html (3574 words)

	Discontinuation of the Bleeding Time Test without Detectable Adverse Clinical Impact -- Lehman et al. 47 (7): 1204 -- ... (Site not responding. Last check: 2007-11-03)
		Algorithm for evaluating the risk of excessive bleeding in patients with a personal or family history of bleeding, which was distributed to clinicians before discontinuation of the BT test.
		Description of a method for determining the bleeding time and coagulation time and report of three cases of hemorrhagic disease relieved by transfusion.
		-arginine vasopressin shortens the bleeding time in uremia.
	www.clinchem.org /cgi/content/full/47/7/1204 (3981 words)

	National Hemophilia Foundation for All Bleeding Disorders \| Hemophilia, von Willebrand Disease, Thrombophilia
		Bleeding can occur almost anywhere in the body, and death from hemorrhage has occurred with this disorder.
		Excessive bleeding with menstrual periods and postpartum hemorrhage occurs frequently.
		A family history of a bleeding disorder is a risk factor.
	www.hemophilia.org /bleeding_disorders/hemophilia_factor_v.htm (386 words)

	Procedure Bleeding Time
		Bleeding time must be scheduled by notifying the Hematology laboratory, x32244.
		Bleeding times are available M-F, 0800-1530 only, excluding holidays.
		Bleeding time results will be affected when the platelet count is less than 100,000 mm3.
	health.ucsd.edu /labref/P428.html (132 words)

	von Willebrand Disease (Site not responding. Last check: 2007-11-03)
		Normally, bleeding usually occurs when a blood vessel is cut or torn.
		People with von Willebrand disease have bleeding problems because the levels or function of these blood components needed for clotting are abnormal.
		These may include blood-clotting tests, such as bleeding time, and measurements of levels or function of von Willebrand factor, factor VIII, or platelets.
	kidshealth.org /teen/diseases_conditions/genetic/vwd.html (1004 words)

	Bleeding Disorders in Children - Keep Kids Healthy
		Prolonged or severe nosebleeds, especially if associated with easy bruising that produces very large bruises in multiple locations after very mild trauma or with bleeding in more than one location, such as nosebleeds and bleeding from his gums after brushing his teeth, are more likely to be associated with a bleeding disorder.
		Since the gene for this blood disorder is on the X chromosome, it is usually inherited from a mother who is a carrier (meaning she has one normal and one abnormal gene).
		Often, though, bleeding and bruising do not begin until children are older and they begin walking (and falling).
	www.keepkidshealthy.com /welcome/conditions/bleeding_disorders.html (883 words)

	July 2000 - Platelet Closure Times
		The time required to obtain full occlusion of the aperture is reported as the closure time (CT) in seconds.
		Closure time is sensitive to platelet adherence and aggregation abnormalities and therefore has increased sensitivity for von Willebrand’s screening when compared to bleeding time.
		Closure time is a test system to assess platelet-related primary hemostasis with improved accuracy and reliability in comparison to bleeding time.
	www.itxm.org /TMU2000/tmu7-2000.htm (770 words)

	NEJM -- Deamino-8-D-arginine vasopressin shortens the bleeding time in uremia (Site not responding. Last check: 2007-11-03)
		NEJM -- Deamino-8-D-arginine vasopressin shortens the bleeding time in uremia
		Deamino-8-D-arginine vasopressin shortens the bleeding time in uremia
		A consistent post-infusion increase in factor VIII coagulant activity and, to a lesser extent, in factor VIII-related antigen and ristocetin cofactor accompanied the shortening of bleeding time.
	content.nejm.org /cgi/content/short/308/1/8 (455 words)

	UpToDate Approach to the patient with a bleeding diathesis
		— Bleeding that is spontaneous, excessive, or delayed in onset following tissue injury results from a localized pathologic process or a disorder of the hemostatic process, involving a complex interplay among vascular integrity, platelet number and function, coagulation factors, and fibrinolysis.
		Given the variability in patients' perceptions of bleeding, as well as the lack of a uniform clinical measure of bleeding severity [3], a dialogue between the patient and physician is essential for the consideration of a bleeding diathesis.
		A careful assessment of the presenting complaint can provide important clues as to where a defect might reside in the hemostatic process and whether the defect is inherited or acquired, providing a rational approach to laboratory investigation (show table 1).
	patients.uptodate.com /topic.asp?file=coagulat/8369 (559 words)

	Healthopedia.com - Bleeding Time
		This test measures how long it takes a person to stop bleeding after the skin is cut.
		The test is done by making several small cuts and timing how long it takes for the cuts to stop bleeding.
		The cuts are blotted every 30 seconds until the bleeding stops and the bleeding time is recorded.
	www.healthopedia.com /bleeding-time (266 words)

	Untitled Document
		The most common hereditary bleeding disorders are von Willebrand's disease and hemophilia in dogs and hemophilia in cats..
		begin timing as the spring-loaded device is tripped (use a standardized bleeding time device-single blade for cats/puppies, double blade for dogs).
		After timing is through apply pressure to wounds until bleeding stops, topical tissue adhesive may be helpful.
	www.vspn.org /vspnsearch/aow/bleedingdisorders.htm (1706 words)

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