Q: 53 year old patient is admitted to ICU for septic shock secondary to diabetic foot. Surgical service decides to perform above knee amputation. What one thing you need to be careful while interpreting data from Pulmonary artery catheter?



Answer: Cardiac Index

Patient's status post Body Surface Area (BSA) is now changed due to loss of leg (above knee amputation). Remember Cardiac Index is a calculated value (CO/BSA). Its very important to change patient's weight on monitor. It may sound simple but may be an often forgotten value.