suction catheters (of length 30 cm), and with suction pressure settings of 80, 120, 160, and 200 mm Hg in endotracheal tubes of internal diameter 2.5, 3.0, 3.5, and 4.0 mm. For each combination ...

Suctioning technics used by either nurses ... to recognize the hazards of bacterial crosscontamination and kept nasal and tracheal catheters in the same container. In some cases catheters that ...