"Always look at the imaging for yourself! Don't blindly trust the report!" While many major structures may be obvious, others are not! Learning the basics of reading and identifying structures by way of CT is crucial to managing CTICU patients and those on mechanical support. In this section of 'Master the Machines', I take you through CT imaging of the heart and major vessels that are heavily involved in the CTICU and MCS. After learning the basic structures we will then move on to identifying pathologies and not-so-normal scans to train your eye!