An unusual arterial waveform.
D000368:Aged; D000768:Anesthesia, General; D001158:Arteries / Q000503:physiopathology*; D016477:Artifacts; D001794:Blood Pressure / Q000502:physiology; D019299:Decompression, Surgical; D004562:Electrocardiography; D006801:Humans; D007431:Intraoperative Complications / Q000503:physiopathology*; D008297:Male; D016343:Monitoring, Intraoperative; D013123:Spinal Fusion; D013168:Spondylolisthesis / Q000150:complications / Q000601:surgery