Topics mentioned in this video : Three cardinal features of pleural effusion, Large pleural effusion, Anatomic boundaries, Diaphragm, Inside of chest wall, Lung, Echo free space Dynamic findings, Dynamic movement, Small parapneumonic effusion, Pitfalls in accessing the pleural space, Most common errors, Pseudo effusion, Is this a pleural effusion?, The assignment is simple, Device identification, Find the fluid, Thoracentesis in the patient on mechanical ventilory support Identification of safe site, Key element of success, Patient position, Supine with small effusion, Pitfalls of site selection, Key element of success, How small is too small?, Too small, Dry tap, Response to dry tap, Loculated effusion, Complex effusion