[Script Info] Title: [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,0:00:03.67,0:00:07.21,Default,,0000,0000,0000,,Heart sounds that are soft and difficult to hear Dialogue: 0,0:00:07.21,0:00:08.92,Default,,0000,0000,0000,,are most common when there is something Dialogue: 0,0:00:08.92,0:00:11.50,Default,,0000,0000,0000,,between the heart and the stethoscope. Dialogue: 0,0:00:11.50,0:00:13.27,Default,,0000,0000,0000,,Common causes include Dialogue: 0,0:00:13.27,0:00:16.87,Default,,0000,0000,0000,,pericardial effusion (fluid surrounding the heart), Dialogue: 0,0:00:16.87,0:00:21.65,Default,,0000,0000,0000,,pleural effusion (fluid present in the thoracic cavity around the lungs), Dialogue: 0,0:00:21.65,0:00:23.57,Default,,0000,0000,0000,,and obesity.