50.1 MB (50.0 MB compressed)
5125 x 3417 pixels
43.4 x 29.0 cm ⏐ 17.1 x 11.4 in (300dpi)
PATRICK LANDMANN / SCIENCE PHOTO LIBRARY PATRICK LANDMANN / SCIENCE PHOTO LIBRARY
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Femoral nerve block. Anaesthetist injecting anaesthetic into patient's groin to administer a femoral nerve block prior knee surgery. The anaesthetic will block the nerves which serve the 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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