How Do You Spell WIDAL'S?

Pronunciation: [wˈɪdə͡lz] (IPA)

The correct spelling of the word "Widal's" is pronounced as [wiːdɑːlz]. It refers to a laboratory test used in the diagnosis of typhoid fever by measuring the presence of antibodies against Salmonella typhi in the blood. The term originated from the name of the French physician who developed the test, Georges-Fernand Widal. Despite its widespread use, there is no universally accepted standard for the spelling of this word, with variations including Widal, Widal's, and Weidel.

WIDAL'S Meaning and Definition

  1. Widal's is a term that refers to a laboratory test known as the Widal test. It is a serological procedure used to aid in the diagnosis of certain types of bacterial infections, particularly those caused by the Salmonella bacteria, which are responsible for diseases such as typhoid fever and paratyphoid fever.

    The Widal test is based on the principle of agglutination, whereby specific antibodies present in the blood serum of an individual are mixed with suspensions of bacteria in a test tube. If the patient has been exposed to Salmonella bacteria, their blood serum will contain specific antibodies known as agglutinins that can bind to the bacteria and cause visible clumping or agglutination.

    In the Widal test, a series of dilutions of the patient's serum are mixed with known suspensions of Salmonella bacteria, and the highest dilution showing visible agglutination is recorded. The patient's antibody titer, or concentration, can be determined based on this result.

    The Widal test is often used in areas where typhoid and paratyphoid fevers are endemic, or in cases where a person presents with symptoms consistent with these diseases. However, it is important to note that the test has limitations, and its interpretation should be done in conjunction with clinical findings and other diagnostic tests to ensure accurate diagnosis and appropriate treatment.

Common Misspellings for WIDAL'S

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  • widzl's
  • widsl's

Etymology of WIDAL'S

The word "Widal's" is not derived from a specific etymology, but rather named after the French physician Georges-Fernand-Isidor Widal (1862-1929). Widal was a prominent French bacteriologist and internist who developed the Widal test, a diagnostic method for detecting typhoid fever. The Widal test involves observing the agglutination of specific antibodies in a patient's blood serum when mixed with the bacteria that causes typhoid. The name "Widal's" is commonly used to refer to this test in medical literature and practice. Thus, the term "Widal's" originates from the name of the physician who introduced and popularized this diagnostic method.