PA. 3.docx - Inhalation(oxygen respiratory passages gas exchange exhalation(carbon dioxide Adult\/Child \u25e6 2:1 ratio lateral aspect is larger than

PA. 3.docx - Inhalation(oxygen respiratory passages gas...

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Inhalation (oxygen) respiratory passages gas exchange exhalation (carbon dioxide) Adult/Child 2:1 ratio: lateral aspect is larger than anteroposterior Infants Lateral diameter = anteroposterior diameter (round) Barrel Chest Lateral diameter = anteroposterior diameter Ribs horizontal Funnel chest (Pectus excavatum) Depression of sternum Pigeon chest (Pectus carinatum) Protrusion of sternum Scoliosis Lateral curvature of spine Kyphosis Posterior curvature of spine Percussion: Dullness: Fluid or solid tissue – pneumonia or tumor Hyperresonance: Air – pneumothorax or emphysema Respirations: Eupnea: Normal: inspiration time = expiration time Tachypnea: Rapid, shallow, rate > 24 Bradypnea: Slow, could be shallow or deep, rate < 10 Hyperventilation: Rapid, deep, rate > 24 Hypoventilation: Slow, irregular, shallow, rate < 10 Cheyne-Stokes: Deep then apnea, in a regular pattern Biot’s (Ataxic): Shallow, deep, periods of apnea, irregular Obstructive: Prolonged expiration Abnormal Findings: Asthma:

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