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Topic: Stress testing

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	Stress testing - Wikipedia, the free encyclopedia
		Stress testing is a form of testing that is used to determine the stability of a given system or entity.
		Stress testing is a subset of load testing.
		In a 'medical' context a Cardiac stress test is used most commonly to detect marked imbalances in blood flow to the heart muscle, sometimes other issues.
	en.wikipedia.org /wiki/Stress_testing (231 words)

	Stress Testing
		There are two types of stress tests – tests that involve exercising the patient to stress the heart (exercise cardiac stress tests) and those that chemically stimulate the heart to mimic the stress of exercise (physiologic stress testing).
		The exercise stress test (also known as an electrocardiograph treadmill test) involves walking on a treadmill with progressive increases in speed and elevation (usually at three-minute intervals).
		A stress test is performed to investigate coronary artery disease; determine causes of chest pain, shortness of breath or lightheadedness; determine the exercise capacity of the heart; and predict the risk of heart-related conditions such as heart attack.
	www.cookehealthnet.com /MattersofHealth/stress_testing.htm (589 words)

	Stress Testing
		The test preparation requires that the patient have nothing to eat for at least 4 hours before the scheduled time of the test.
		A Stress Echo test utilizes the principle of routine treadmill testing (see section on treadmill testing) and combines it with echocardiography (cardiac ultrasound) to derive a more accurate diagnosis in patients with chest pain.
		During this test, the patient exercises on a treadmill however before and immediately after the test an echo of the heart is performed.
	www.lebanoncardiology.com /services/stresstest.html (571 words)

	Treadmill Stress Testing (Site not responding. Last check: 2007-11-03)
		Treadmill exercise stress testing is the most basic form of stress testing which relies on the patient’s ability to walk on a treadmill while continuously monitoring the heart rate and heart rhythm.
		A continuous electrocardiogram is evaluated to assess the presence of coronary ischemia (decreased perfusion of the heart arteries) during exercise.
		An abnormal treadmill stress test may be followed by a second stress test with imaging capabilities (stress echo or myocardial perfusion imaging) which increases the accuracy of diagnosing coronary artery disease or may result in coronary angiography.
	www.cpamg.com /treadmil.htm (89 words)

	eMedicine - Treadmill and Pharmacologic Stress Testing : Article by David Akinpelu, MD
		Pharmacologic stress testing, established after exercise testing, is a diagnostic procedure in which cardiovascular stress induced by pharmacologic agents is demonstrated in patients with decreased functional capacity or in patients who cannot exercise.
		Exercise stress testing, which is now widely available at a relatively low cost, is currently used most frequently to estimate prognosis and determine functional capacity, to assess the probability and extent of coronary disease, and to assess the effects of therapy.
		Exercise testing is a well-established procedure that has been in widespread clinical use for decades, and, although it is generally a safe procedure, both myocardial infarction and death have been reported and can be expected to occur at a rate of 1 incident per 2500 tests.
	www.emedicine.com /med/topic2961.htm (8612 words)

	Postgraduate Medicine: Comparing stress testing methods
		ECG stress testing is one of the most widely used investigative techniques in cardiology and is less expensive than other imaging techniques.
		Exercise stress testing should be performed under the overall supervision of a physician appropriately trained to conduct exercise stress tests.
		The test also is useful in assessing the impact of revascularization therapies, the viability of akinetic myocardial segments, and the presence or absence of miscellaneous heart disease (5) (table 3).
	www.postgradmed.com /issues/2004/06_04/tak.htm (3196 words)

	Stress Testing (Site not responding. Last check: 2007-11-03)
		The system is repaired and the stress test is repeated until a level of stress is reached that is higher than expected to be present at a customer site.
		When the two tests are run in parallel, one or both of the tests fail.
		The test seems to run correctly, but after being exercised several times, available memory is reduced until the system fails.
	www-db.stanford.edu /~burback/watersluice/node24.html (224 words)

	CPCMG Exercise Stress Testing (Site not responding. Last check: 2007-11-03)
		Cardiac stress testing is available through CPCMG by appointment Monday through Friday,from 8 a.m.to 3 p.m.Either of these tests will take your patient approximately ?hours from the time he/she arrives at our office.
		Stress EKG With EKG Stress Testing,the patient stays upright on the treadmill until optimal cardiac demand is achieved,heart response is measured and recorded.
		Stress Echocardiography Once the patient has achieved optimal cardiac demand on the treadmill,he/she is quickly moved to the echocardiography laboratory and,as the patient reclines,images of cardiac function under stress are recorded using advanced Doppler technology.
	www.cpcmg.com /CPCMG_EKG_Echocardiography_Stress_Testing.htm (373 words)

	Stress Testing
		The electrocardiogram (ECG) is monitored continuously during the test to watch for any changes that suggest ischemia-- an insufficient delivery of oxygen to the working heart muscle.
		Exercise stress testing is tremendously informative in screening for coronary artery disease as well as periodically following known heart disease.
		Stress Testing is used to prescribe exercise regimens for inactive persons who plan to begin a tailored exercise program.
	www.heartcc.com /Services_StressTest.htm (374 words)

	Computing Papers on Stress testing (Site not responding. Last check: 2007-11-03)
		To use metrical stress as an example, consider an overt form consisting of three light syllables, with a single stress on the middle syllable: 0 1 0].
		There are two distinct structural descriptions consistent with this overt form: one with an iambic left-aligned foot and the nal syllable unfooted, (0 1) 0], and one with a trochaic right-aligned foot and the initial syllable unfooted, 0 (1 0)].
		First, the patient is asked to perform physical exercise walking on the treadmill) to increase the pulse rate and blood pressure, and cause an increase of the flow of blood to the heart muscle.
	computing.breinestorm.net /stress+testing (2755 words)

	Stress Testing
		A Stress or Treadmill test is a procedure to show what happens to your heart during exercise.
		Your doctor may order your stress test with thallium which is a substance containing a small amount of radioactivity.
		Before the test is begun, a small needle is placed in a vein in your hand to inject the thallium during the last stage of your test.
	www.brookshospital.org /services/med_services/services/stress.htm (513 words)

	Web Test Tools
		Tests can be scriptlessly parameterized with data from text files or custom ODBC data source, for individual userID, password, page to start, think times, data to enter, links to click, cache, initial cache state, etc.
		Test creation involves associating GUI events with 'use case commands' created to describe what is intended in terms of the domain, utilizing the 'title' attribute of appropriate HTML tags.
		Allows developers to test down to the unit level by simulating the internal software interfaces (message queues, mailboxes, etc.) Tool can learn what request/response scenarios are being tested for future tests and can work with any protocol, any message definitions, and any network.
	www.softwareqatest.com /qatweb1.html (13104 words)

	[No title]
		We wanted to stress test the nano in various real-life situations where iPod users have proven themselves to be a little less than genius in the past to see how the nano could handle the abuse.
		Our first test consisted of placing the iPod nano on a solid wood chair and sitting on it, as people are prone to do from time to time.
		The results for the "slow bicycle" test were duplicated for the "fast bicycle" test.
	arstechnica.com /reviews/hardware/nano.ars/3 (874 words)

	Stress Testing (Site not responding. Last check: 2007-11-03)
		This is a test that we use to see how the heart responds to exercise.
		This is a helpful test for those who cannot walk the treadmill effectively.
		The test will be explained to you and you will be asked to sign a consent form.
	www.valleycardioassoc.com /stress_test.htm (301 words)

	Nuclear Stress Testing
		Taking the stress test also helps your doctor know what type of exercise and how much is right for you.
		A nuclear stress test combines the treadmill portion with pictures (images) recorded on computerized gamma cameras.
		The EKG is the electrical signal the doctor monitors during the test.
	www.deborah.org /consumer/nstress.html (483 words)

	Exercise Stress Test
		A stress test, sometimes called a treadmill test or exercise test, helps a doctor find out how well your heart handles work.
		The test can show if the blood supply is reduced in the arteries that supply the heart.
		Depending on the results of the exercise stress test, the physician may recommend more tests such as a nuclear stress test or cardiac catheterization.
	www.americanheart.org /presenter.jhtml?identifier=4568 (356 words)

	Nuclear Cardiac Stress Testing
		It's usually done in conjunction with an exercise stress test on a treadmill, but can also be performed using medicines such as adenosine and dipyridamole that effectively simulate the effects of exercise on the heart.
		Next, stress is performed using treadmill exercise or medications (adenosine stress test).
		A preliminary report is issued the same day of the test, with a printed and final version faxed to your primary physician within 24 hours.
	www.heartcc.com /Services_Nuclear.htm (592 words)

	Software QA Testing and Test Tool Resources
		Testers simply enter test data into a spreadsheet which is used to populate the objects that appear for the particular test scenario defined.
		The key to 'testing with context' is the removal of serial scripts as the primary mode of navigation, application control and data entry.
		The same test suite used for server functional testing can also be used as a load test suite that not only monitors the servers response rate with the specified number and mixture of simultaneous requests, but also verifies whether the test loads cause functionality problems.
	www.aptest.com /resources.html (9257 words)

	Exercise Stress Testing (Site not responding. Last check: 2007-11-03)
		A stress test, sometimes called a treadmill or an exercise test, helps your doctor see how well your heart works during physical activity.
		The basic stress test requires leads on the chest to provide the electrocardiographic signal.
		The electrocardiogram is the electrical signal the doctor monitors during the test.
	www.deborah.org /consumer/estress.html (288 words)

	Healthopedia.com - COLD Stimulation Test for Raynaud's Phenomenon (Isolated COLD Stress Testing, ICST)
		This test looks for reduced blood flow in the fingers after they are exposed to cold temperatures.
		A cold stimulation test may be advised when a healthcare provider suspects Raynaud phenomenon.
		The cold stimulation test is used to see if a person's symptoms are from Raynaud phenomenon or other causes of low blood flow, such as atherosclerosis.
	www.healthopedia.com /cold-stimulation-test-for-raynauds-phenomenon (351 words)

	American College of Cardiology/American Heart Association Clinical Competence Statement on Stress Testing : A Report of ... (Site not responding. Last check: 2007-11-03)
		Exercise testing in the pediatric population and in patients
		Supervision of clinical exercise testing by exercise physiologists.
		Guidelines for exercise testing in the pediatric age group: from the Committee on Atherosclerosis and Hypertension in Children, Council on Cardiovascular Disease in the Young, the American Heart Association.
	circ.ahajournals.org /cgi/content/full/102/14/1726 (7089 words)

	Amazon.com: Stress Testing : Principles and Practice : Books: Myrvin H. Ellestad (Site not responding. Last check: 2007-11-03)
		Text is a comprehensive overview of the principles and practice of stress testing.
		Two new chapters covering the role of exercise testing in congestive heart failure and exercising in echocardiography are included.
		The cornerstone of modern stress testing is based on the empirical discovery that exercise in patients with coronary disease produces ST-segment depression.
	www.amazon.com /exec/obidos/tg/detail/-/0195159284?v=glance (712 words)

	SharePoint Stress Testing
		Testing SharePoint is and incredibly important part of capacity planning.
		Record a test is great, but it only works with SharePoint Anonymous Access, which is not ideal for stress testing, so we will create a new Blank Test.
		I saw 130,000 soft faults a second when replaying and had a ridiculous situation where I was using 2 servers to stress test a desktop running SPS and the 2 servers couldn'y successfully stress the desktop!
	mindsharpblogs.com /james/archive/2005/03/25/429.aspx (1013 words)

	Read about Stress testing at WorldVillage Encyclopedia. Research Stress testing and learn about Stress testing here! (Site not responding. Last check: 2007-11-03)
		Research Stress testing and learn about Stress testing here!
		web server may be stress tested using scripts, bots, and various denial of service tools to observe the performance of a web site during peak loads.
		Cardiac stress test is used mostly commonly to detect marked imbalances in blood flow to the heart muscle, sometimes other issues.
	encyclopedia.worldvillage.com /s/b/Stress_test (129 words)

	Stress Test - Page 1 - HeartCenterOnline:
		An exercise stress test is a special type of test that is used to measure the heart’s tolerance for exercise and detect various forms of heart disease.
		This test is noninvasive, generally safe and painless.
		Exercise stress tests may also be performed with
	heart.healthcentersonline.com /noninvasivecardiactest/stresstest.cfm (443 words)

	WAPT - Web Application Load, Stress and Performance Testing
		WAPT 4.0 is a load and stress testing tool that provides you with an easy-to-use, consistent and cost-effective way of testing web sites, web servers, and intranet applications with web interfaces.
		You may test and analyze the performance characteristics under various load conditions to find bottlenecks of your web applications.
		It can be difficult to organize such testing without the help of a group of real users.
	www.webapplicationstesting.com (312 words)

	Information Security Glossary - Stress Testing
		Stress Testing is a form of testing which purposely attempts to identify the weakest link of a system.
		Stress testing will seek to verify that, following any abnormal conditions, the system can revert quickly to normal operation.
		Such conditions might include : data processing immediately after system downtime, after a network failure, or during peak activity periods.
	www.yourwindow.to /information-security/gl_stresstesting.htm (94 words)

	Website Stress-Testing
		One of the main reasons many site admins never conduct thorough testing is a simple lack of real understanding of how to test and what areas to test.
		This guide is meant to shine light on that sometimes murky topic, and to provide an administrator with solid information about different types of software to use, different procedures to adopt, and required planning.
		There will also be a separate examination of back-end testing and optimization, since the tools and procedures used to tune "behind the scenes" processes can be fairly different from front-end tests.
	www.extremetech.com /article2/0,1697,9274,00.asp (714 words)

	Stress Testing Books (Site not responding. Last check: 2007-11-03)
		Coverage includes two-dimensional properties of a cross section of arbitrary shape, fundamentals of applied solid design mechanics (such as basic stress and strain), theories of failure, mechanical properties, and testing of materials through contact stresses and dynamic loading.
		It provides a practical discussion of the purpose and nature of software testing, offering the latest methodologies for the design of effective test cases.
		For a full listing of Stress Testing books more.
	www.softwaretest.force9.co.uk /stresstest.htm (154 words)

	Foundstone, Inc.® Free Stress Testing Tools (Site not responding. Last check: 2007-11-03)
		Warning: These tools, like all stress testing tools, have the ability to cause crippling performance and other damage to the hosts and networks they run against.
		A small, quick TCP service stress test tool.
		If you utilize Foundstone tools, you may also be interested in signing up for our eNewsletter, a valuable resource to enhance your awareness of security related topics.
	www.foundstone.com /resources/stress_testing.htm (78 words)

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