These handy reference cheat sheets are useful for teaching beginning and advanced trainees the basic windows in transthoracic and transesophageal echocardiography. Helpful for orienting learners to the anatomy in basic windows. A4c = Apical 4 Chamber, S4C = Subcostal 4 Chamber, PLAX = Parasternal Long Axis, PSAX = Parasternal Short Axis, #ssn Suprasternal Notch View