This Study Will Evaluate the Effectiveness of a Simple Intervention Through a Classical Yankauer Oral Suction Tube, in Decreasing the Sedative Medication Doses Needed to Provide Effective Patient Sedation During Bronchoscopy, Along With Its Effect on Both Patient's and Bronchoscopist Satisfaction

Inclusion Criteria: * 18 years or above * inpatients or outpatients * scheduled to have a flexible bronchoscopy for one of multiple indications based on their physician's assessment, including the presence of a lung mass or collapse, persistent pulmonary infiltrates, pulmonary infection in the setting of immunosuppression, hemoptysis, or other rare causes like chronic cough. * patients provided a written informed consent. Exclusion Criteria: * patients with anatomic oro-pharyngeal abnormalities, * critically ill patients * uncooperative patients or inability to provide signed consent by the patient or their legal representative * coagulopathy or bleeding diathesis * severe obstructive airway disease * recent myocardial infarction * uncontrolled or poorly controlled asthma or chronic obstructive pulmonary disease (COPD) * pregnancy.