Needle Cricothyrotom
failedint- animation figure 2 (capnography 
pulmonary blood flow-figure 3 (capnography 
descap-figure 4 (capnography 
combined spinal epidermal anaesthesia 
Single injection Infraclavicular Block 
Brachial Plexus Block, Infraclavicular Coracoid Approach 
circuit-animation figure 1( capnography 
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