Muller's manoeuvre is used to
Muller's manoeuvre is used to find level and degree of obstruction in sleep-disordered breathing with flexible nasopharyngoscope Ref: Textbook of ENT, Dhingra; 6th edition; Pg no: 449 ref img
To find out opening of mouth
To remove laryngeal foreign body
To find degree of obstruction in sleep disordered breathing
To remove foreign body from ear
Miscellaneous ENT