Definition An air embolism can be deteced many different ways.   Doppler ultrasound: most sensitive noninvasive monitor capable of detecting 0.05ml/kg of air. Transesophageal echo (TEE): most sensitive invasive monitor can detect as little as 0.02ml/kg of air. PA Catheter – increase PAP. Increase ET N2 Decrease ETCO2 due to increase in functional dead space. […]