Patient 21 - 80 yo Male/Abdominal Tumor Resection

History: CAD, COPD, and previous MI
Comments: Beat-to-Beat visibility despite the presence of significant arrhythmias.

Patient 34a - 82 yo Male/AAA Repair

History: Hypercholesterolemia, Chronic Sinusitis, and Diabetes
Comments: Unanticipated, rapid drop in blood pressure and subsequent aggressive pressor therapy.

Patient 34b - 82 yo Male/AAA Repair

History: Hypercholesterolemia, Chronic Sinusitis, and Diabetes
Comments: Unusual arterial pressure waveform, overall hypotensive condition, and irregular rhythm.

Patient 48 - 66 yo Male/Left Carotid Endarterectomy

History: HTN, COPD, and previous Laminectomy
Comments: Very low physiologic pressures, anesthesiologist notes a "damped" A-Line.

Patient 53 - 71 yo Male/Left Thoracotomy

History: Lung CA, CAD, previous Angioplasty/STENT, PVD, GERD, and BPH
Comments: Elevated blood pressure (> 180 mm Hg systolic), anesthesiologist judged the A-Line to be artifactually high due to systolic ringing.

Patient 56 - 61 yo Female/Revascularization

History: Colitis, PVD, and extensive smoking
Comments: Unanticipated, rapid increase in blood pressure (80 mm Hg in approximately 1 minute).