Book excerpt: The Essential EBUS Bronchoscopist(c) contains a specific competency-oriented list of learning objectives and thirty multiple choice question/answer sets. Information pertains to major topics related to endobronchial ultrasound and EBUS-guided transbronchial needle aspiration, including ultrasound physics, mediastinal anatomy, patient preparation, indications contraindications and complications, bronchoscopic technique, image acquisition, radiographic interpretation and ultrasound image pattern recognition, equipment malfunction and troubleshooting, nodal sampling strategies, specimen collection, and expected results for diagnosing and staging lung cancer and other disorders involving the mediastinum. This module pertains only to convex-probe EBUS and does not cover in detail radial-probe based interventions. As for volume 1 in the Bronchoscopy Education Project series, The Essential Bronchoscopist, the aim of The Essential EBUS Bronchoscopist(c) is to enhance the learner's progress along the learning curve from novice to competent practitioner.