we present a case of unexpectedly prolonged motor and sensory block following a successful single injection ultrasound – guided infraclavicular block with bupivacaine (0.25%) and dexamethasone (8 mg). ultrasound guidance and safety measurement such as injection of the local anaesthetic at a slow rate and verifying that usual resistance was felt throughout the injection, has been applied. it too...

First posted June 23, 2021 For additional information, contact: Geology, Energy & Minerals Science CenterU.S. Geological Survey12201 Sunrise Valley Drive, MS 954Reston, VA 20192Contact Pubs Warehouse The U.S. Survey (USGS) has been using its Circular 891 for evaluating uncertainty in coal resource assessments more than 35 years. Calculated cell tonnages are assigned to four qualitative reliabil...