30.12.2012 Views

Dr Romi Singla - Department Of Pulmonary Medicine GMC, Patiala

Dr Romi Singla - Department Of Pulmonary Medicine GMC, Patiala

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� Cricoarytenoid arthritis complicate<br />

endotracheal intubation during GA.<br />

Miller and Hyatt defined Flow-volume patterns in upper-airway<br />

obstruction. The dotted lines represent the midpoints of the<br />

maximal expiratory and inspiratory flows. a. Fixed upper-airway<br />

obstruction (intrathoracic or extrathoracic). b. Variable<br />

extrathoracic obstruction. c. Variable intrathoracic obstruction.

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