Anatomy, Mechanics, and Initial Thorax/Lung Assessment

Notes

HEALTH ASSESSMENT LECTURE CALAMBA DOCTORS’ COLLEGE BATHAN, GABRIELLE A. - BSN1B LESSON 1: ASSESSING THORAX AND LUNGS STRUCTURE AND FUNCTION ● Thorax ○ portion of the body extending from the base of the neck superiorly to the level of the diaphragm inferiorly. ○ Lower Respiratory System ■ The lungs, distal portion of the trachea, and the bronchi ○ Thoracic Cavity ■ contains the respiratory components ○ A thorough assessment of the lower respiratory system focuses on the external chest as well as the respiratory components in the thoracic cavity. ● Thoracic Cage ○ constructed of the sternum, 12 pairs of ribs, 12 thoracic vertebrae, muscles, and cartilage. ○ It provides support and protection for many important organs including those of the lower respiratory system. 1. Sternum and Clavicles a. Sternum i. Breastbone ii. lies in the center of the chest anteriorly iii. three parts 1. the manubrium, the body, and the xiphoid process. iv. The manubrium connects laterally with the clavicles (collarbones) and the first two pairs of ribs. b. The clavicles i. extend from the manubrium to the acromion of the scapula. c. Suprasternal Notch i. U-shaped indentation located on the superior border o...