NURS 342 Lecture Notes - Lecture 14: Infusion Set, Thrombocytopenia, Tourniquet
26 Mar 2016
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Infusion of fluid into the bone marrow cavity of a long bone usually the distal or proximal tibia, the distal femur or the iliac crest. Bone marrow directly communicates with the circulatory system, fluid reaches the bloodstream as quickly by this route than if it were administered iv, incl. whole blood or medication. Intraosseous infusion is painful as the needle enters the bone marrow cavity. Tubing changed every 48 hours, dressing changed every 24 hours. Assess for distal pulse and adequate temp of leg every hour throughout the infusion to ensure there is adequate circulation to the extremity. If the needle should become dislodged, symptoms of circulatory impairment or pain and taut skin over the site occur. Occasionally during fluid admin, a bone chip or thick marrow will occlude an intraosseous needle, and slow the infusion: if this occurs- a stylet is passed through the needle clears it and allows for continuous fluid administration.
