This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Preoperative assessment and monitoring in anaesthesia, Subject name: Anaesthesia
Which of the following is not a cardiovascular monitoring technique 
Select and explain. 
A. Transesophageal echocardio-graphy, B. Central venous pressure monitoring, C. Pulmonary aery catheterization, D. Capnography
D: Capnography
Answer: D: Capnography 
Explanation: TEE monitors flow of blood through the chambers and great vessels,wall motion,size and thickness of chambers CVP monitors Right atrial pressure Pulmonary aery catheterization measures LVEDP(left ventricular end diastolic pressure) Capnography monitors end-tidal CO2 levels ( amount of CO2 in exhaled gas)