The passive transfer test is an allergic measurement part of an immune function test belonging to an immune disease. There are two types of human skin and guinea pig skin. The human skin measures the IgE allergic antibody of the same kind of cells, and the guinea pig skin measures the IgG type antibody of the xenogeneic cells.

Basic Information

Specialist classification: growth and development check classification: immunological examination

Applicable gender: whether men and women apply fasting: not fasting

Tips: Strengthen physical exercise and enhance physical fitness. Normal value

The erythema and wheal-like reaction occurred 5 to 30 minutes after the intradermal injection, which was positive, and the control was negative.

Oral allergens are taken orally for several minutes to several hours, and the above reaction occurs on the skin, which is positive.

Clinical significance

A positive reaction indicates that the patient is allergic to the allergen of the test. Therefore, the test can be used as an aid to understand the type of allergic antibodies and to find allergens.

Abnormal results of various allergic reactions.

Allergic responders in the population who need to be examined.

Precautions

Taboo before the test: Avoid eating foods that increase the incidence of urticaria, avoid strong grasping of the affected part, do not use hot water to wash, do not abuse the strong topical drugs. Do not eat animal protein foods and seafood, do not eat spicy spicy food, do not drink. Keep a light diet and eat more fresh vegetables and fruits. Maintain the law of life, strengthen physical exercise, enhance physical fitness, and adapt to changes in cold and heat.

Requirements for inspection: Patiently cooperate with the doctor.

Inspection process

Passive transfer test: The patient's serum was injected into the skin of a healthy person, and after 24 hours, the same part was irradiated with sunlight to observe the presence or absence of a wheal reaction.

Not suitable for the crowd

Inappropriate people: people with severe allergies.

Adverse reactions and risks

There are no related complications and hazards.