Subcutaneous Emphysema In Dental Procedures
Subcutaneous emphysema, surgical emphysema, or tissue space emphysema are different names for a similar condition, namely, the abnormal presence of air in tissue spaces Subcutaneous emphysema occurs rarely during dental procedures. When it does occur, it can be a frightening experience that often will be confused with an anaphylactic reaction. Differentiating the two conditions is not difficult. Palpation of the swollen head and neck areas will elicit crepitus, or a ‘Velcro’ sensation, that is not present in anaphylaxis. Anaphylaxis occurs after exposure to an allergen that elicits an IgE-mediated hypersensitivity that leads to an abrupt onset of symptoms that may include pruritis of lips, tongue and palate; oedema of the lips; nausea; vomiting; dysponea; wheezing; rhinorrhoea; syncope and hypotension. Anaphylaxis is a true medical emergency, whereas subcutaneous emphysema is generally not life-threatening. Therapy for subcutaneous emphysema involves the following: (i) … Read more