Skip to main content

Mantoux Test-(Tuberculin Test)-Procedure and Results of Mantoux Test

What is Mantoux or tuberculin Test.
It is a hypersensitivity test for early diagnosis in the non immunized patient of tuberculosis.

Details:
In previously infected person, Sensitized T cells to Mycobacteria antigens are present. when purified protein derivatives are introduced intradermally, a hypersensitivity reaction takes place which confirms the previous infection.

Procedure.
0.1 ml of PPD (purified protein derivative) is injected intradermally, and induration, erythema and edema develops in 24 - 48 hours, in infected patients.

Findings:

  1. If induration is 15 mm or more in non risked individual it is considered positive.
  2. If induration is 10 mm it is considered positive only in high risked individuals for example mall nourished, weak and in endemic area.
  3. Induration of 5 mm is considered positive in individuals of AIDS and in immunocompromised persons.


False Positive Test:
Vaccination with BCG.

False Negative Test.
means Mantoux test is negative in the presence of TB.
1. Measles
2. Hodgkin's disease
3. Sarcoidosis
4. Immunodeficiency States
5. Immunosuppressive Therapy.
6. Overwhelming TB.

Treatment And Prevention Of Tuberculosis (TB)

Labels:

Comments

Post a Comment

Post Your Reply and Give Your Opinion About the Post

Popular posts from this blog

Human Parasites, Types of Parasites, and Classification

Parasite: A parasite is a living organism which gets nutrition and protection from another organism where it lives. Parasites enter into the human body through mouth, skin and genitalia. In this article, we will generally discuss the types and classification of parasites. It is important from an academic point of view. Those parasites are harmful, which derives their nutrition and other benefits from the host and host get nothing in return but suffers from some injury. Types of Parasites Ecto-parasite: An ectoparasite lives outside on the surface of the body of the host. Endo-parasite: An endo-parasite lives inside the body of the host, it lives in the blood, tissues, body cavities, digestive tract or other organs. Temporary parasite: A temporary parasite visits its host for a short period of time. Permanent parasite: Permanent parasite lives its whole life in the host. Facultative parasite: A facultative parasite can live both independently and dependently. It lives in the
Post a Comment
Read more.>>

How to taper off, wean off beta blocker, atenolol, Propranolol, Metoprolol

Beta blockers include, atenolol (Tenormin), propranolol (Inderal ) and metoprolol (Lopressor) and are used to treat high blood pressure, certain cardiac problems, migraine and few other conditions. People usually take atenolol, propranolol or metoprolol for many years as a treatment of high blood pressure or after having an episode of heart attack . Sometimes, it becomes necessary to withdraw these beta blockers due to their potential side effects that trouble the patients or sometimes doctor wants to change the drug and shift the patient to some other anti-hypertensive medicine. No matter whatever the cause is, whenever, a patient who has been using a beta blocker for a long period of time, and he needs to be stopped from further usage of that beta blocker, must not stop taking it. One should taper off the dose of a beta blocker. Now a question arises how to wean off or taper off a beta blocker? The method of tapering off beta blocker varies from individual to individual. Allow you
Post a Comment
Read more.>>