1. Tracheostomy in Critically Ill Patients
Sameer Rana, MBBS, Shanthan Pendem, MBBS, Matthew S. Pogodzinski, MD, Rolf D. Hubmayr, MD, Ognjen Gajic, MD 
Mayo Clinic Proceedings 
Volume 80, Issue 12, Pages (December 2005)
DOI: /
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2. FIGURE 1
Approach to the timing of tracheostomy in critically ill patients receiving mechanical ventilation. APACHE = Acute Physiology and Chronic Health Evaluation; FIO2 = fraction of inspired oxygen.
*The method of tracheostomy depends on the local medical expertise.
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3. FIGURE 2
Percutaneous dilational tracheostomy (Ciaglia technique). From deBoisblanc BP. Percutaneous dilational tracheostomy techniques. Clin Chest Med. 2003;24:399–407, with permission from Elsevier.
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