You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A female patient who is a known case of systemic sclerosis is posted for hernioplasty. You as anaesthesiologist is called to do pre-operative assessment. On oral examination you anticipate difficult intubation as only hard and soft palate are visible. You proceed with laryngoscopy and find that you are able to see only posterior glottis. What’s your laryngoscopic grading of glottis and explain in detail?
As per cotmack and lehane laryngoscopic grading of glottis, it is grade 2 if only posterior glottis is visible.