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Widal Test ( Slide Method )

Also Known as Typhoid Test (Slide Method), Typhoid test (Slide agglutination)

No preparation required

Recommended for TYPHOID
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RECOMMENDED BY:Dr. Rajkumar

General Physician/Internal Medicine

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  • Widal Test ( Slide Method )

    4 tests included

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About

blood sample
Sample

BLOOD

Gender
Gender

Both

users
Age group

7 years & above

Widal Test (Slide Method)

Test Overview

Sample TypeBlood
Reports Deliverywithin time
Price/Costthe mentioned price
Number of Tests Included4

What is a Widal Test (Slide Method)?

A Widal test (slide method), often referred to as a slide Widal test, is a straightforward serological method utilised for diagnosing enteric fevers like typhoid and paratyphoid. This test primarily detects the existence of antibodies that fight against Salmonella Typhi and Paratyphi in a patient's serum. The procedure involves blending the serum with specific antigens on a slide and then observing for a reaction known as agglutination. To conduct this test, a unique tool called the Widal test card is used, which has designated circles for two types of antigens - O and H. The antigen solutions are added to the serum, and then one waits for about a minute to look for any macroscopic agglutination. 

The top Widal Test (Slide Method) Test are available in Hyderabad, Bangalore, Gurgaon, Noida, Chennai.

The simplicity and speed of results have made slide Widal test widely popular; however, it's essential to remember that this test has certain limitations in terms of sensitivity and specificity. It should always be interpreted alongside clinical symptoms and corroborated with other diagnostic tests.

Understanding the Widal Test (Slide Method) Test Price

When you need a Widal test, it's essential to understand its pricing structure. Pricing for such medical tests is influenced by various factors, and knowing what these elements are can help you make an informed decision. Here are some key aspects that can impact the Widal test price:

  • Test Demand: The cost of the slide Widal test can vary based on geographic location and the prevalence of typhoid fever, which it is designed to diagnose. Cities with higher incidences of the disease, such as Mumbai, Delhi, Kolkata or Pune may have slightly higher prices as demand for the test increases.
  • Comprehensive Inclusions: The typhoid test price typically includes several charges like laboratory fees, sample collection charges and applicable professional fees. It's vital to understand what you're paying for when looking at the S Widal test cost to avoid any unexpected charges.
  • Laboratory Quality: The reliability of the laboratory conducting the Widal test plays a crucial role in determining its price. Labs with cutting-edge equipment and strict quality control procedures may charge more for their services. When getting a Widal test done, it's advantageous to choose a certified lab known for accuracy and dependability.
  • Discounts and Promotions: Several healthcare centres offer discounts or package deals on diagnostic tests like the Widal test, which could significantly reduce your overall costs. These offers might also provide information about the Widal test normal range, giving you a better understanding of your results.

Apollo 24|7 offers competitive rates for the Widal test slide method while ensuring top-notch service quality. Before opting for a slide Widal test, consider comparing prices across cities to get an accurate idea of how much it should cost.

What is the Purpose of Widal Test (Slide Method)?

The Widal test is a time-tested method used widely across India to diagnose typhoid fever, a significant health concern that affects thousands of Indians each year. Specifically, the slide method (also known as the s Widal test) is a simplified version of this diagnostic test. Let's delve into its purpose.

  • Identifying Typhoid: The purpose of the s Widal test, or slide Widal test, is primarily to help doctors diagnose typhoid fever in their patients. Typhoid, caused by a bacterium called Salmonella typhi, can be life-threatening if not identified and treated promptly.
  • Establishing Diagnosis: The s Widal test checks for two types of antibodies in your blood. Their presence means you've been exposed to the bacteria causing typhoid. Though not always definitive, a positive result on the Widal lab test can be a strong indicator of typhoid infection.
  • Treatment Decisions: Armed with this knowledge from the Widal test, your family doctor can make an informed decision about your treatment. If the result is within the Widal test normal range, then typhoid may not be the cause of your symptoms.

Who Should Get a Widal Test (Slide Method) Test Done?

Determining the need for a Widal Test, often known as the slide Widal test, is a common diagnostic procedure for typhoid fever. Therefore, it's worth considering if you exhibit certain signs or symptoms:

  • High Fever: Typhoid fever often causes a high temperature which can last for several days. If you've had a persistent fever and over-the-counter medications aren't helping, your doctor may recommend a Widal test.
  • Weakness and Fatigue: Typhoid can make you feel extremely tired and weak. If you're experiencing unusual fatigue, it could be a sign of an underlying infection.
  • Digestive Problems: Symptoms such as stomach pain, constipation or diarrhoea could also point towards typhoid fever.
  • Loss of Appetite: Not feeling like eating is another common sign that you may need to get the s Widal test.
  • Headaches or Confusion: These neurological symptoms can occur in severe cases of typhoid fever.

Components of a Widal Test (Slide Method)

The widal test list is a common diagnostic procedure used in India to detect typhoid and paratyphoid fever. The slide method is one of the ways this test is performed, often referred to as the 'slide Widal test'. The Widal test hinges on the detection of certain antigens in your blood sample.  They include:

  • Salmonella Typhi 'O'
  • Salmonella Typhi 'H'
  • Salmonella Paratyphi A 'H'
  • Salmonella Paratyphi B 'H'

In simpler terms, these are harmful substances in your body that can trigger an immune response, specifically related to typhoid and paratyphoid fevers. a Widal test is used to detect antibodies in a blood sample against the two antigens that are O and H of the Salmonella enterica. The ‘O’ and ‘H’ denote different types of antigens for the bacteria Salmonella Typhi, while ‘H’ represents an antigen for Salmonella Paratyphi. These antigens behave differently when there's an acute infection in your body. During a 'Widal lab test', if the O antibody levels are rising, it generally suggests an ongoing infection. On the other hand, unusually high H antibody levels help doctors diagnose the specific type of enteric (intestinal) fever you are suffering from.

Understanding Widal Test (Slide Method) Test Report

Below are the low, high and borderline widal test normal range values, measured by this diagnostic test:

AntigenNegativePositive
OLess than 1:1601:60 or higher
HLess than 1:1601:60 or higher
High Values May IndicateLow Values May Indicate
Typhoid feverNo infection

Understanding Widal Test (Slide Method) Test Report

Before undergoing this test, it's essential to understand the dengue rapid test preparation and procedure involved in ensuring accurate results.

How is Widal Test (Slide Method) Test Done?

Before you go ahead with the Widal test, it's crucial to understand its purpose, preparation and the procedural steps involved. Here is a simplified step-by-step guide on how the Widal blood test is performed:

The Widal test procedure begins with a simple blood sample collection. A healthcare worker will gently tie an elastic band around your arm to improve the blood flow in that area. This facilitates the easy drawing of blood.

An antiseptic solution is used to clean the area where the needle will be inserted. This ensures that the site is germ-free and reduces any chance of infection.

Once the area is appropriately sterilised, a thin needle is carefully inserted into a vein in your arm to draw out a small amount of blood. While this procedure typically causes minor discomfort, it's over within just a few minutes.

The collected blood sample is then sent for laboratory analysis using the Widal test procedure, primarily aimed at detecting typhoid infection in your body.

The time taken for you to get your s Widal test results can vary depending on factors such as the lab's workload and operational hours. However, generally, you can expect your results within 10 hours.

Is Fasting Required for a Widal Test (Slide Method)?

Grasping the necessity of fasting before s widal test is fundamental to ensuring precise results. Here's a breakdown of whether fasting is required and its potential impact on the test:

Fasting is primarily required when certain components in your food can interfere with the tests. In the case of a Widal test for typhoid, food consumption does not have any such impact.

Doctors usually suggest taking enough fluids before going for any blood test, including the slide Widal test, to ensure smooth sampling. Dehydration may make vein access difficult.

While you don't need to fast before going for a Widal blood test, always follow your doctor's instructions as they are familiar with your medical history and would give personalised advice.  They will guide you on the preparation and Widal test purpose and inform you about anything that could impact the test's effectiveness.

What Time of the Day Should I Undergo a Widal Test (Slide Method)?

Choosing the right time to undergo a Widal lab test can be an essential factor influencing the accuracy of the results. Here's a breakdown of the recommended timing for scheduling this examination:

To achieve accurate results from your Widal test for typhoid, it's generally recommended to undergo this procedure around 7-14 days after the onset of fever. This timing allows for significant antibody production in your body against the infection.

Although you can schedule this appointment at any time during the day, you must consider your convenience and comfort level while booking.

However, it's essential to follow any specific instructions given by your doctor  regarding when you should go for the Widal lab test. They will advise based on your symptoms and overall health condition.

Booking Widal Test (Slide Method) Online & Accessing Reports

This section outlines the steps to book a Widal test slide method on Apollo 24|7 and how to access your reports online.

What are the Steps to Schedule a Widal Test (Slide Method) Test on Apollo 24|7?

The process of booking a Widal test online is quite user-friendly. Here's how you can do it:

  • Visit the Apollo 24|7 Website or App: Start by accessing the Apollo 24|7 website or app.
  • Search for the Widal Test: Use the search bar to look for 'Widal test'. You will then be directed to a dedicated page for this test.
  • Choose Your Preferred Time and Location: Once you're on the Widal test page, select a time slot and location according to your convenience for sample collection.
  • Provide Necessary Details: The next step involves providing all the necessary details required by the platform for finalising your booking.
  • Wait for Confirmation: After successfully submitting your booking request, wait for a confirmation message from Apollo 24|7, confirming that your request has been processed correctly.

How do I Access my Widal Test (Slide Method) Test Results Online on Apollo 24|7?

Once you've undergone the s Widal test, it's important to know how to access your results. Following is how you can view these on Apollo 24|7:

  • Await Notification from Apollo: You will first receive a notification from Apollo 24|7 once your Widal test results are ready.
  • Log into Your Account: Use your credentials to log in to your account on their platform, either through their website or application.
  • Navigate to Reports Section: Post logging in, go to the 'Reports' section on your dashboard.
  • Access Your Widal Test Report: You will find all your medical reports here. Navigate to the Widal test report.
  • Download the Report: The platform allows you to download an electronic copy of your report for future reference or for consultations with your doctor.

faqFrequently Asked Questions (FAQs)

If my Widal Test (Slide Method) blood test results are positive, what are the next steps? Should I consult a specialist or make specific lifestyle changes?

If your Widal test is positive, consult a doctor for further evaluation and confirmatory testing. Do not attempt self-diagnosis or treatment based solely on the Widal test result.

Are there any alternative or complementary tests to consider alongside a Widal Test (Slide Method)?

Your doctor might recommend additional tests such as Complete Blood Count (CBC) or Stool Culture based on your health condition for a more comprehensive assessment.

Are there any emerging technologies or advancements in the Widal Test (Slide Method) that I should be aware of?

There are no significant emerging technologies or advancements in the Widal test (Slide Method) that you should be aware of. The Widal test remains a widely used and accepted method for diagnosing typhoid fever, but it has some limitations, such as low sensitivity and specificity.

Can I drink water before a Widal Test (Slide Method)?

Yes, you can drink water before undergoing the Widal test for typhoid.

How long does my Widal Test (Slide Method) result stay positive?

The duration for which a Widal test result stays positive can vary depending on individual health conditions and hence, it’s better to consult with your doctor for accurate information. However, typically, the Widal test Slide Method result can stay positive for several weeks or even months after the infection has cleared.

How accurate is the Widal Test (Slide Method) for the diagnosis of typhoid?

The accuracy of the Widal test can vary as it is a presumptive diagnostic tool. It's always best to consult with your doctor if you have any doubts regarding your results.

What are the two types of Widal test?

In India, the S Widal test, as it's popularly referred to, comes in two variants: Slide Widal test and tube Widal test. The slide test is qualitative, while the tube test is quantitative.

Why should Apollo be your preferred healthcare partner?

  • 40 Years of legacy and credibility in the healthcare industry.
  • NABL certified multi-channel digital healthcare platform.
  • Affordable diagnostic solutions with timely and accurate test results.
  • Up to 60% discount on Doorstep Diagnostic Tests, Home Sample Collection.
  • An inventory of over 100+ laboratories, spread across the country, operating out of 120+ cities with 1200+ collection centers, serving over 1800+ pin codes.

The information mentioned above is meant for educational purposes only and should not be taken as a substitute to your Physician’s advice. It is highly recommended that the customer consults with a qualified healthcare professional to interpret test results