NURS 202 Chapter Notes - Chapter 19: Fremitus, Hypersensitivity Pneumonitis, Paroxysmal Nocturnal Dyspnoea
Document Summary
Lobes & lungs: left lung has no middle lobe (only upper and lower, anterior chest contains mostly upper and middle love, very little lower lobe, posterior chest contains almost all lower lobe. Control of respiration: supply o2 to body for energy prod, remove co2 as waste produce of energy reactions, maintain homeostasis, maintain heat exchange. Chapter 19 | page 1 of 5: characteristic cough. Symmetrical expansion: chest expansion unequal marked atelectasis (partial or complete collapse of lung) or pneumonia (infection that inflames lungs); thoracic trauma (fractured rib); pneumothorax (collapsed lung due to air leakage, pain w deep breathing when pleurae inflamed. Tactile fremitus: decreased fremitus anything obstructs transmission of vibrations (obstructed bronchus, pleural effusion, thickening, pneumothorax, emphysema) Percussion of lung fields: hyperresonance low pitched, booming sound when too much air is present (emphysema, pneumothorax, dull note soft, muffled thud; abnormal density in lungs (pneumonia, pleural effusion, atelectasis, tumor)
