Box 1.

Various Anaesthetic techniques for bronchoscopy during FB retrieval

Controlled ventilation	I.V. induction + muscle relaxant	Venturi attachment
		Inflation via side arm of bronchoscope
		Insufflation via a catheter in the trachea
		Insertion of a tube into the end of the bronchoscope intermittently
Spontaneous ventilation	I.V. induction	I.V. induction with thiopentone, or propofol or ketamine
		Maintenance with inhalation agent
	Inhalation induction	Halothane + Sevoflurane
		Maintenance with inhalation induction