Toxic reaction to local anaesthetic

A 58 year old patient, 181 cm, 96 kg, smoker with hypertension and ischemic heart disease, was admitted for osteosynthesis of complicated ulnar and radial fractures. The procedure is performed under regional anaesthesia – infraclavicular brachial plexus nerve block. Which nerves are blocked at the upper extremity?
58
years
181
cm
96
kg
man