Get a grip! A knotty problem solved

Midazolam vs ondansetron for preventing postoperative nausea and vomiting

“…We read with interest the Snippet by Aldridge regarding the use of the rolling hitch for securing a tracheal tube [1]. This hitch is indeed one of the most secure hitches according to testing by Lovett et al [2] involving the application of linear forces to detect slippage of tracheal tubes.…”

“…Recent communications about drawover anaesthetic systems have suggested that it is acceptable to position the selfinflating bag so as to pushover the OMV (Penlon, Abingdon, UK) [1] and to leave the self-inflating bag in the system when a mechanical ventilator is connected to the open end [2]. We would like to add to the concerns expressed by Houghton [3].…”

“…If the self-inflating bag is positioned proximal to the OMV vaporiser as suggested by Henning [1], with the outlet of the bag facing the vaporiser, there is no valve between the bag and the vaporiser as the valve is on the inlet of the bag. As the self-inflating bag inflates it draws most gas from its inlet, but some may be drawn in a retrograde fashion back into the bag through the outlet.…”