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IMAGES IN EMERGENCY MEDICINE

Angina bullosa haemorrhagica rare cause of upper airway obstruction An 85-year-old woman presented to the emergency department complaining of difficulty in breathing, swollen tongue (figure 1) and inability to speak. On examination the patient was in respiratory distress and cyanotic, with oxygen saturation of 85% on 15 L of oxygen. She reported a previous but less severe episode of several blood-filled blisters on the buccal mucosa and hard palate, which had subsequently ruptured and subsided on their own. Because the large blister was causing upper airway obstruction, incision and drainage was performed (figure 2). Angina bullosa haemorrhagica is the term used to describe acute, benign, subepithelial oral mucosal blood-filled blisters.1 The differential diagnosis includes pemphigoid, epidermolysis bullosa, linear IgA and dermatitis herpetiformis or thrombocytopenia.2 No treatment is required for small-sized blisters because they spontaneously rupture and heal. Any large, intact blood blister Figure 2

Post-incision and drainage.

should be incised to prevent further enlargement that could cause airway obstruction. Rarely, tracheal intubation and surgical tracheostomy are required.3 Ravishankar Prabhakar Shashikala Correspondence to Dr Ravishankar Prabhakar Shashikala, 12, Grosvenor House, Sorbonne Close, Thornaby, Stockton on Tees TS17 6DP, UK and A&E, University Hospital of North Tees, Stockton on Tees, TS19 8PE, UK; [email protected] Competing interests None. Patient consent Obtained. Provenance and peer review Not commissioned; internally peer reviewed.

To cite Prabhakar Shashikala R. Emerg Med J 2015;32:238. Accepted 11 June 2014 Emerg Med J 2015;32:238. doi:10.1136/emermed-2014-203848

REFERENCES 1 2 3

Figure 1 Initial presentation. 238

Badham NJ. Blood blisters and oesophageal cast. J Laryngol 1967;81:791–803. Roman C, Terry LB, et al. Angina bullosa haemorrhagica. E-medicine. 2012. http//: www.emedicine.medscape.com/article/1078960-overview Pahl C, Yarrow S, Steventon N, et al. Angina bullosa haemorrhagica presenting as acute upper airway obstruction. Br J Anaesth 2004;92:283–6.

Pilcher J, et al. Emerg Med J 2015;32:234–238. doi:10.1136/emermed-2013-203094

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Angina bullosa haemorrhagica rare cause of upper airway obstruction Ravishankar Prabhakar Shashikala Emerg Med J 2015 32: 238 originally published online June 30, 2014

doi: 10.1136/emermed-2014-203848 Updated information and services can be found at: http://emj.bmj.com/content/32/3/238

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Angina bullosa haemorrhagica rare cause of upper airway obstruction.

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