Can you spot the Lovenox (enoxaparin) subcutaneous injection mistakes in this video? 1. Improper cleaning. Cleaning should be done at least 15-20 seconds starting at the center and then using a circling motion from center to around 2" away (or per facility protocols). All it to dry completely. 2. Removing the air bubble. The prefilled syringes have the air bubble placed inside on purpose for these subcutaneous injections. It helps enable all of the medication to be injected, and prevents bruisin