Module 4 Study Guide.
Module 4 Study Guide V2 1. Percussion p. 297 a. Percussion tones can be heard with percussion directly or indirectly. The heavier the stroke you use, the more likely you are to miss a transitional area from resonance to dullness. b. Tap sharply and consistently from the wrist without excessive force c. Compare all areas bilaterally, using one side as a control for the other d. First, examine the back with head bent forward and arms folded in front i. This moves the scapulae laterally exposing more lung e. Then ask patient to raise the arms overhead while you percuss the lateral and anterior chest f. For all positions percuss at a 4-5 cm interval over the intercostal space, moving systemically from superior to inferior and medial to lateral. g. Resonance i. Expected lung sound and can be heard over all lung areas h. Hyperresonance i. Associated with hyperinflation ii. Emphysema, pneumothorax, or asthma i. Dullness or flatness i. Suggest pneumonia, atelectasis, pleural effusion, or asthma
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