The Cormack-Lehane system classifies views obtained by direct
laryngoscopy
Laryngoscopy () is endoscopy of the larynx, a part of the throat. It is a medical procedure that is used to obtain a view, for example, of the vocal folds and the glottis. Laryngoscopy may be performed to facilitate tracheal intubation during ge ...
based on the structures seen. It was initially described by R.S. Cormack and J. Lehane in 1984 as a way of simulating potential scenarios that trainee
anaesthetist
Anesthesiology, anaesthesiology, or anaesthesia is the medical specialty concerned with the total perioperative care of patients before, during and after surgery. It encompasses anesthesia, intensive care medicine, critical emergency medicine, ...
s might face.
A modified version that subdivided Grade 2 was initially described in 1998.
See also
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Mallampati score
In anesthesia, the Mallampati score or Mallampati classification, named after the Indian anaesthesiologist Seshagiri Mallampati, is used to predict the ease of endotracheal intubation. The test comprises a visual assessment of the distance from ...
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Simplified Airway Risk Index
The Simplified Airway Risk Index (SARI), or El-Ganzouri Risk Index (EGRI), is a multivariate risk score for predicting difficult tracheal intubation.
The SARI score ranges from 0 to 12 points, where a higher number of points indicates a more diffi ...
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Thyromental distance Thyromental distance (TMD) measurement is a method commonly used to predict the difficulty of Tracheal intubation, intubation and is measured from the Superior thyroid notch, thyroid notch to the tip of the jaw with the head extended. If it is less ...
References
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Anesthesia
Medical scoring system