NURS1068 Lecture Notes - Lecture 9: Suprasternal Notch, Cervical Vertebrae, Sternal Angle
13 Jun 2022
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Week 6: thorax and lungs assessment: thoracic cage borders. Anterior thoracic landmarks: suprasternal notch, sternum, sternal angle, costal angle, posterior thoracic landmarks, vertebra prominens, spinous processes, inferior border of scapula, twelfth rib. Is also the site of the tracheal bifurcation of the right and left main bronchi: costal angle: 90 degrees and is the right and left costal margin that forms an angle that meets at the xiphoid. Posterior thoracic cage: vertebra prominens: flex head feel the prominent bony spur protruding at the base of the neck (c7 (prominent one) then t1. Anterior axillary, posterior axillary, midaxillary line (lateral chest) Structure and function thoracic cavity: mediastinum, contains esophagus, trachea, heart, great vessels, lobes of the lungs, anterior, posterior, lateral, pleurae, trachea and bronchial tree, location of trachea and bronchi, dead space, function of acinus. Four functions of respiratory system: control of respiration, changing chest size during respiration, inspiration, expiration.
