TUBERCULIN SYRINGE

It is 1cc syringe with a plastic piston (plastic syringe), or a metal piston ( glass syringe)

USES :

• To administer PPD for Mantoux test.• To administer BCG vaccine.• To adminiter test doses of drugs such as

penicillin.• Provocative Testing – to test for allergens in

Bronchial asthma , atopy.• Insulin injections in Diabetes Mellitus.• Giving small doses of drugs. Eg. Gentamicin,

Phenobarbitone , Digoxin.

MANTOUX TEST

Tuberculin PPD 2 T.U./0.1 ml, solution for injection:1 dose = 0.1 ml contains 0.04 microgram

Tuberculin PPD.– Store at 2°C - 8°C, protected from light

PROCEDURE OF MANTOUX TEST

Diameter of induration Interpretation Action Less than 6mm Negative Previously unvaccinated

individuals may be given BCG provided there are no contraindications.

6mm or greater but less than 15mm

Hypersensitive to tuberculin protein. May be due to previous TB infection, BCG or exposure to atypical mycobacteria

Should not be given BCG

>= 15mm Strongly hypersensitive to tuberculin protein Suggestive of TB infection or disease

Should not be given BCG. Refer for further investigation and supervision which may include chemotherapy.

RESULT INTERPRETATION

BCG Vaccination• It induces primarily cell mediated immunity.• Administered at or soon after birth • Supplied in the form of lypophilised or freeze

dried powder, in a vaccum sealed dark colored multidose vial.

Reconstituted with normal saline. • Extremely sensitive to light and heat. Thus,

cold chain should be maintained.• In lypophilised form, it remains potent for

upto a year at 2-8 ˚C.

• Dose – 0.1ml• Site- convex aspect of left shoulder at the insertion of

deltoid to allow for easy identification of scar.• Route of administration – intradermal• Multiplication of BCG bacilli papule at 2-3 weeks

4-8 mm in size at 5-6 weeks ulceration heals by scarring around 6-12 weeks• Adverse effects – persistent ulcer with delayed healing

ipsilateral axillary or cervical lymphadenopathy, and rarely abscess and sinus formation.

• Positive reaction to tuberculin test 4-12 weeks after immunisation.

SCALP VEIN NEEDLE

• It consists of a metallic needle attached to a plastic tubing.• At the junction of the needle and the tubing, there is butterfly

shaped plastic holder which facilitates easy insertion of the scalp needle into the vein.

• The plastic holder is flexible and colour coded .eg . Black is no 22.

• The commonly used needles are from no 22 to no 24.• There is an inverse relation between the guage number and

the internal diameter.• Higher the guage number , small is the diameter of needle.

Thus 24G needle is smaller in diameter than 22G needle.

USES

• Collection of blood• Infusion of iv fluids, drugs, blood etc.• ABG analysis

THANK YOU