PT - JOURNAL ARTICLE AU - Ibrahim Al-Sanouri AU - Mohammad Shaban AU - Maie Al-Shahid AU - Salman Abdulaziz TI - A 21-year-old woman with mediastinal mass and cardiac arrest AID - 10.1136/bcr-2013-009020 DP - 2013 Jun 19 TA - BMJ Case Reports PG - bcr2013009020 VI - 2013 4099 - http://casereports.bmj.com/content/2013/bcr-2013-009020.short 4100 - http://casereports.bmj.com/content/2013/bcr-2013-009020.full AB - Mediastinal mass syndrome (MMS) is a devastating respiratory and haemodynamic condition that might be encountered postintubation if special precautions are not carefully undertaken. We describe a case of MMS in a 21-year-old woman with a fatal outcome following emergency intubation for acute respiratory failure.