Percussion 16
16 Percussion
1.Method Mediate Pleximeter:distal inter-phalangeal joint of left middle finger Plexor:right middle finger tip Immediate Order Up to down,anterior to posterior 17
17 1. Method ◼ Mediate Pleximeter: distal inter-phalangeal joint of left middle finger Plexor: right middle finger tip ◼ Immediate ◼ Order Up to down, anterior to posterior
2.Affected factors Thickness of thoracic wall Calcification of costal cartilage Hydrothorax Containing gas in alveoli Alveolar tension ■Alveolar elasticity 18
18 2. Affected factors ◼ Thickness of thoracic wall ◼ Calcification of costal cartilage ◼ Hydrothorax ◼ Containing gas in alveoli ◼ Alveolar tension ◼ Alveolar elasticity
3.Classification Resonance Normal Hyperresonance ▣Emphysema Tympany Cavity pneumothorax Dullness Hydrothorax,atelectasis Flatness Massive Hydrothorax,massive atelectasis 19
19 3. Classification ◼ Resonance Normal ◼ Hyperresonance Emphysema ◼ Tympany Cavity , pneumothorax ◼ Dullness Hydrothorax, atelectasis ◼ Flatness Massive Hydrothorax, massive atelectasis
4.Normal sound Lung's sound in percussion 口Resonance Slight dullness in some areas (upper,right, back)due to thickness of muscles and skeletons 20
20 4. Normal sound Lung’s sound in percussion Resonance Slight dullness in some areas (upper, right, back) due to thickness of muscles and skeletons