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What is Z track technique is used for and explain in detail?
Ans. (C) Administration of long acting depot antipsychotics(Ref: Kaplan and Sadock's Concise Text book of Clinical Psychiatry 11th Ed; Page No- 873)Guidelines for Administration of Long Acting Antipsychotic Depot Injections (LAAI)LAAIs are given to patient with psychosis or mania who have poor compliance to oral treatment.A test dose is given for all drugs except olanzapine, risperidone, paliperidone and aripiprazole.Route of administration is by intramuscular route with maximum permissible volume as given below.Deltoid2 mlDorsogluteal4 mlVentrogluteal (Safest site)4 mlRectus femoris5 mlVastus lateralis5 mlZ track technique is used for injection into all sites, except deltoid. The skin is stretched laterally from the intended site of injection and then insert the needle at 90deg angle. After 10 seconds of injecting the drug, skin is released to allow the displaced tissue to cover the needle track. It is done to maximize absorption in to muscles by preventing the drug from moving back to subcutaneous tissue.Z track technique is also used to inject iron.