Clinical alert: failure in face mask seal as a consequence of incorrect face mask assembly

Preoxygenation--the importance of a good face mask seal.

We have studied 16 healthy volunteers whose lungs were preoxygenated six times each in order to assess the amount of room air entrained during tidal volume preoxygenation if a good seal is not maintained between the face mask and the face. With a fresh gas flow of 10 litre min-1, we found that using gravity alone to hold the face mask in position, more than 20% room air was entrained; if the fa...

Inadequate face mask ventilation--clinical applications.

Face mask ventilation is a life saving technique. This article will review aetiology and patophysiological consequences of inadequate mask ventilation. The main focus will be on circulatory changes during induction of anesthesia, before and in a short period after intubation that could be attributed to inadequate mask ventilation in humans.

Face Detection Using Template Face Mask

In today’s world, the importance of biometric studies is increasing day by day. Biometric face recognition study is the most widely used method in the legal environment. Commonly, face images are used in all identification systems(IDs, driver’s license, passport, etc.). In particular, to improve the social security of city life, automatic face detection and face recognition systems are needed. ...

Face mask ventilation using a lower lip face mask placement in edentulous patients.

The comments of Drs. Maxwell and Mihm invite a further discussion of diuretic use in the setting of postoperative negative-pressure pulmonary edema (NPPE). Although diuretics were administered to the patient in our case, as originally stated, it is debatable whether this therapy benefited the patient in the case scenario. In NPPE, the primary problem is not fluid overload but a combination of n...

fungal contaminations of herbal face mask preparations