hello again! i did a hemorrhoidectomy case that went awry. The patient was a 39y/o male, 190 pounds, ASA 1 for proctoscopy-hemorrhoidectomy. After preloading the patient with 700cc IV solution, i gave spinal anesthesia using Bupivacaine 0.5% heavy 10mg after which patient was placed on prone position. Just after a minute, patient complained of difficulty of breathing, O2 saturation decreased from 99 to 80 to 75, bp went down from 120/80 to 70/50. i tried ventilating but 02 sat went up to only 85. I immediately called for help and placed the patient on supine . There wwas improvement after a few seconds. Is this high spinal?