A 45-year-old male patient requires an intramuscular injection of a prescribed medication. You have selected the dorsogluteal site for the injection. Which of the following steps will help you identify the correct location for needle insertion?
Locate the posterior superior iliac spine and the greater trochanter, then inject into the upper outer quadrant above and lateral to an imaginary line between these two landmarks.
Divide the buttock with a horizontal and a vertical line intersecting at the coccyx and inject into the quadrant nearest to the greater trochanter.
Locate the posterior superior iliac spine and divide the buttock into four equal quadrants, then inject into the lower inner quadrant.
Palpate the sacrum and inject into the area halfway between the sacrum and the greater trochanter of the femur.
The correct location for an intramuscular injection in the dorsogluteal site is determined by imagining a quadrant over the buttock. To identify the upper outer quadrant, one should draw an imaginary line from the posterior superior iliac spine to the greater trochanter of the femur. The injection should be administered above and lateral to this line in the upper outer quadrant. Avoiding the upper inner quadrant is crucial as the sciatic nerve and major blood vessels are located there, increasing the risk of nerve damage or significant bleeding if injected into.
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