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Frequently Asked Questions

How is the Lipid Profile•ALT test run on the Cholestech LDX System?

Cholestech - FAQs
The Lipid Profile•ALT test is run using the same procedure as that for lipids and glucose with the following exception: There is a separate Cholestech control available for use with the Lipid Profile•ALT test cassette. You must use the Lipid Profile•ALT Control when running the Lipid Profile•ALT test.
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Question: How is the ALT test run on Cholestech L·D·X® Analyzer?

FAQ's
Answer: The ALT test is run using the same procedure as that for the lipids and glucose with the following exceptions: Fingerstick samples must be applied immediately after collection. Do not let the blood sample sit in the capillary before dispensing into the sample well. When running controls, serum, whole blood, proficiency or calibration verification material, use the tan colored 35µL Mini pipette for ALT. There is a separate Cholestech control available for use with the ALT test cassette.
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How do you run controls on the Cholestech LDX System?

Cholestech - FAQs
Detailed information on how to run controls can be found on the Cholestech LDX Assay Sheet shipped with the product. Below is a brief summary of this information. Make certain that the lot number of the controls corresponds to the correct assay sheet when comparing expected results. Use the appropriate MiniPet™ Pipette and tips to dispense the control material onto the test cassette. Use a new tip for each control level Follow the direction for the test cassette procedure being used.
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How is the ALT•AST test run on Cholestech LDX System?

Cholestech - FAQs
The ALT•AST test is run using the same procedure as that for lipids and glucose with the following exceptions: There is a separate Cholestech control available for use with the ALT•AST test cassette. Use the Multi-Analyte Controls, not the Lipid Controls, for ALT•AST.
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Question: Are there any other differences between the ALT test and the Lipid test?

FAQ's
Answer: Assays for ALT may be run at different temperatures, 30°C or 37°C. The Cholestech LDX ALT assay is run at 37°C. Enzyme levels are very dependent on temperature, with higher temperatures producing higher ALT results. If you are going to compare the LDX results with another method make sure the comparison method is run at 37°C. ALT methods run at 30°C will show lower results.
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Do Cholestech LDX test cassettes have to be shipped refrigerated to customers?

Cholestech - FAQs
Cholestech LDX test cassettes (except hs-CRP) do not require refrigeration when shipped to your customers. Shipments are stable when shipped over a three (3) day time frame without cold packs. Hs-CRP cassettes must be shipped with cold packs over a two (2) day frame. Refrigerate all cassettes upon arrival. All cassettes can be taken out of the refrigerator and stored at room temperature for thirty (30) days.
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Do I need to calibrate my Cholestech LDX System?

Cholestech - FAQs
The LDX System requires no user calibration. The calibration information for running a test is encoded on the brown magnetic stripe on each cassette and is read each time a cassette is run. Since calibration differences between methods can play a role in the variation in results between methods, the NCEP established the Lipid Standardization Program (LSP) to look at improving the accuracy and precision of lipid methods.
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What is the measuring range of the Cholestech LDX System tests?

Cholestech - FAQs
Results outside these ranges will be reported as less than (<) the lower limit or greater than (>) the upper limit. If repeat testing gives the same < or > result the sample should be sent to a clinical lab for testing.
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What are the expiration dates of the Cholestech LDX cassettes?

Cholestech - FAQs
The expiration date for Cholestech LDX test cassettes is between 6 and 12 months from the date of manufacture, depending on the type of test cassette. We strive to provide the longest dating possible to our customers.
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Question: On completion of the LDX ALT test the result showed up as N/A on the screen - why?

Point of Care Services Ltd is a company dedicated to the pro...
Answer: The kinetic characteristics of the enzymatic process for measuring aminotransferase are more temperature dependent than for measuring lipids. It it very likely that the ALT test cassette was not brought out straight from the fridge and not allowed to stand at room temperature for a full 10 minutes.
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What is the difference between the VAP Cholesterol Test and the routine lipid panel?

The Most Comprehensive Cholesterol Test - VAP - Atherotech, ...
The VAP Test provides all the information found in a routine lipid panel, plus measurements of all known cholesterol subclasses that play important roles in the development of CAD. The additional information provided by the VAP Test improves the ability to predict heart disease risk to more than 90%. It also directly measures LDL cholesterol. In contrast, the routine cholesterol test detects only about 40% of people at risk.
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What is the expected range for the Cholestech LDX Optics Check Cassette?

Cholestech - FAQs
The expected range for an Optics Check Cassette is listed on the cassette itself. Refer to your Optics Check Cassette for the specific standard range information.
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How closely should the Cholestech LDX System results agree with my current lab results?

Cholestech - FAQs
The LDX System gives you the same level of accuracy and precision that you would get from a clinical lab. Results for total cholesterol, HDL cholesterol, LDL cholesterol, and triglycerides meet the total error guidelines set by the National Cholesterol Education Program (NCEP).
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Question: I have an LDX with version 1.4 ROM pack? Can I use the new Cholestech LDX Printer?

Point of Care Services Ltd is a company dedicated to the pro...
Answer: No. The Cholestech LDX Printer will work with LDX analysers from version 2.02. For earlier versions of ROM packs, an upgrade is available for purchase through Point of Care Services Ltd.
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Do the NCEP guidelines point to the use of an expanded lipid panel like the VAP Test?

The Most Comprehensive Cholesterol Test - VAP - Atherotech, ...
The NCEP ATP III guidelines offer new opportunities to improve the early detection and treatment of heart disease. ATP III focuses attention on the metabolic syndrome, as well as several emerging risk factors and secondary targets of therapy that are not measured with the routine lipid panel. The VAP Test allows clinicians to comply with ATP III at a cost comparable to the routine lipid panel.
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What is the Fasting Lipid Profile test?

Services - FAQs - Vancouver Neurologists, P.S.
Cholesterol and Triglyceride tests that measure the total amount of fatty substances in the blood. Lipoprotein analysis (lipid profile) measures blood levels of total cholesterol, LDL (bad) cholesterol and HDL (good) cholesterol and triglycerides.
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Question: What is the normal measuring range for ALT on the LDX?

Point of Care Services Ltd is a company dedicated to the pro...
Answer: The normal measuring range for ALT on the LDX is 10-400 U/L. Results outside the range will appear as <10 U/L or >400 U/L.
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HOW OFTEN SHOULD THE V-BTA TEST BE RUN?

bladder cancer test for canines (dogs) - FAQ Commonly Asked ...
The test can be used for screening and for dogs with symptoms. Senior dogs may benefit from screening. The frequency of testing for your dog will be determined by your veterinarian.
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How do I write and run a simple test?

JUnit FAQ
package junitfaq; import org.junit.*; import static org.junit.Assert.*; import java.util.*; public class SimpleTest { Test public void testEmptyCollection() { Collection collection = new ArrayList(); assertTrue(collection.isEmpty()); } If you are running your JUnit 4 tests with a JUnit 3.x runner, write a suite() method that uses the JUnit4TestAdapter class to create a suite containing all of your test methods: public static junit.framework.Test suite() { return new junit.framework.
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JUnit FAQ
package junitfaq; import java.util.*; import junit.framework.*; public class SimpleTest extends TestCase { public SimpleTest(String name) { super(name); } public void testEmptyCollection() { Collection collection = new ArrayList(); assertTrue(collection.isEmpty()); } Write a suite() method that uses reflection to dynamically create a test suite containing all the testXXX() methods:
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Why isn't my test fixture being run?

JUnit FAQ
Make sure the test fixture methods are defined as follows, noting that both method names are case sensitive:
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Are there any other differences between the ALT•AST test and the lipid tests?

Cholestech - FAQs
Assays for ALT and AST may be run at commercial clinical laboratories at different temperatures, typically 30°C or 37°C. The Cholestech LDX ALT•AST test is run at 37°C.
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What is ALT I?

ONR UBA: Frequently Asked Questions
ALT I usually refers to Alternate I of the property clause at FAR 52.245-5 (Cost Reimbursable, Time and Material or Labor Hour Contracts). It gives title (upon acquisition) to the Institution for items that were acquired with prior approval of the Government and have an acquisition value of less than $5,000.
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Garritan Orchestra FAQ Page
ALT stands for "alternating." ALT short bow instruments separate the up and down bow samples into two groups. MaestroTools gives the user keyswitches that enable choosing between automatically alternating up and down bows, forced down bows, or forced up bows. Alternating bow strokes can greatly increase the realism of a fast passage.
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What is the timed run test?

theTIGERstudy
Twice each semester we will conduct a timed run test. See the Calendar of Events distributed at the beginning of the semester for exact dates. The tests will take place on the track in the Rec Center. You will be asked to run 1.5 miles (6.75 laps of the track) as quickly as possible. We will time and record your performance. You are not in competition with anyone and there is no penalty for not ‘doing well’ on this test.
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When and how do I run a Pneumatic Test?

Frequently Asked ThinPrep Technical Service Questions
Cytyc recommends running this 5-minute test on a weekly basis to confirm proper operation of the entire pneumatic system. From the Main Menu, press "8" (Test) and select option "2-Pneumatic" from the System Test menu. This will prompt the user to load the sealed cylinder (or white sealed filter cylinder) into the instrument and perform the test. Upon completion of the test, the user should observe a "Test Successful" message on the display.
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Why do I get a NoClassDefFoundError when trying to test JUnit or run the samples?

JUnit FAQ
Also consider running WhichJunit to print the absolute location of the JUnit class files required to run and test JUnit and its samples.
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Why do I get the warning "AssertionFailedError: No tests found in XXX" when I run my test?

JUnit FAQ
The debug option for the Java compiler must be enabled in order to see source file and line number information in a stack trace. When invoking the Java compiler from the command line, use the -g option to generate all debugging info. When using older JVMs pre-Hotspot (JDK 1.1 and most/all 1.2), run JUnit with the -DJAVA_COMPILER=none JMV command line argument to prevent runtime JIT compilation from obscuring line number info.
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