Will enable collection of samples from the respiratory tract. Often no specific findings however, tracheal cytology which may reveal inreased numbers of neutrophils and bacteria. Samples for bacteriology from the upper airways may be deceptive as they are likely to harbour many commensal organisms. Ideally samples sholud be collected from the lower airways by a transbronchial wash. | Will enable collection of samples from the respiratory tract. Often no specific findings however, tracheal cytology which may reveal inreased numbers of neutrophils and bacteria. Samples for bacteriology from the upper airways may be deceptive as they are likely to harbour many commensal organisms. Ideally samples sholud be collected from the lower airways by a transbronchial wash. |