title: Use of the pulse monitor for determining sympathetic block of the arm.
mesh_terms: D001132:Arm / Q000294:innervation; D001340:Autonomic Nerve Block; D005385:Fingers; D006801:Humans; D008297:Male; D008875:Middle Aged; D008991:Monitoring, Physiologic; D010991:Plethysmography; D011674:Pulse; D013233:Stellate Ganglion