50.5 MB (50.0 MB compressed)
5161 x 3418 pixels
43.7 x 29.0 cm ⏐ 17.2 x 11.4 in (300dpi)
DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
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Femoral nerve block. Surgeon injecting anaesthetic into patient's groin during a femoral nerve block prior to upper leg surgery. The anaesthetic will block the three nerves located in the groin, which serve the hip, front of the thigh and knee. A nerve block is often combined with a general anaesthetic. This allows the strength and amount of anaesthetic to be reduced, therefore reducing any risks associated with the drugs. It also provides longer-lasting pain-relief after the surgery than just a general anaesthetic alone.
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