Aspiration, more information

However, if you have done this and a flash of blood appears in the needle hub, withdraw the needle and select a new site for injection. Egro I checked The Australian Immunization Handbook and incredibly, this is item 5. under ’Intramuscular Injections’ It is not necessary to draw back on the syringe plunger before injecting a However, if you have done this and a flash of blood appears in the needle hub, withdraw the needle and select a new site for injection. So the technique I was taught decades ago and which you have taught since has been quietly retired. I’ll check the science behind this curious decision. Keep up the good work. Good question Mom This doesn’t explain why