100 patients with pleural effusion, planned to undergo a diagnostic or therapeutic pleural tap, will be randomized to watch a personalized custom video training, explaining the procedure, in addition to the verbal explanation given by the medical staff, or to get the standard verbal explanation alone. Questionnaires regarding their understanding of the procedure, their feelings and the level of anxiety will be filled before and after the video/verbal explanation, and after the procedure. the study aims to check whether the video training provides better understanding of the procedure, increases cooperation and engagement and decreases anxiety.
Patients planned to undergo a pleural tap will get verbal explanation or watch a personalized guidance video in addition to verbal explanation. Questionnaires will be filled to assess the effect of the video training on understanding, cooperation and anxiety.