The document summarizes potential complications that can arise from shoulder arthroscopy surgery. It lists complications as equipment related, technique related, patient related, and general. Equipment related complications include those from hand instruments, power instruments, and pumps/fluids. Technique related complications involve vascular, neurological, and bone injuries. Patient related risks are from obesity and MRSA. General complications encompass those from anesthesia, common to all surgeries like infection, and issues involving implants.