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Patient With Acute Respiratory Failure

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1. What assessment findings should the nurse expect for the patient with acute respiratory failure related to pneumonia? Assessment of a patient with acute respiratory failure begins with neurological system. Due to hypoxia (decrease in PaO2) and hypercapnia (increase in PaCO2), some changes in mental status the nurse will expect are anxiety, restlessness, confusion, lethargy, severe somnolence, and coma. In addition, the nurse will anticipate respiratory muscle fatigue with the following symptoms: tachycardia, diaphoresis, nasal flaring, abdominal paradox, muscle retractions, intercostal, suprasternal, supraclavicular, and central cyanosis. In response to hypoxemia, compensatory mechanisms produce tachypnea and an increase in tidal volume. As the condition progresses without proper treatment, compensatory mechanisms fail, and respirations become shallow leading to decrease in respiratory rate. Furthermore, the nurse will anticipate on auscultation the presence of adventitious breath (e.g., crackles, rhonchi, and pleural friction), cough, and sputum production due to pneumonia (Sole, Klein, & Moseley, 2013, p. 178, 403-404). Cardiovascular System: The nurse will anticipate changes in blood pressure, heart rate, and cardiac rhythm. ARF initially causes tachycardia and increased blood pressure. As AFR progresses, it may lead to dysrhythmias, angina, bradycardia, hypotension, and cardiac arrest. The nurse is expected to evaluate pulses for strength and bilateral equality. Skin

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