1. What is a PaO2 of 50 a PaCO2 45 mean? What needs to be done for this pt?

NUR 254 ARDS 2

• What is a PaO2 of <50 + a PaCO2 >45 mean? What needs to be done for this pt?

Answer

• Respiratory failure

• Pt needs to be intubated and put on mechanical ventilation

• What would you do for a patient going into respiratory failure that was a DNI?

Answer Put on CPAP or BIPAP

• (T/F) CPAP is good for patients with COPD.

Answer False (It is bad because they already have problems exhaling; BIPAP should be used)

• What does CPAP do?

Answer Constantly push air into the patient

• What does BIPAP do?

Answer Push high pressure air during inspiration and low pres- sure air during expiration

• What is ARDS?

Answer Severe form of acute respiratory failure

• (T/F) Someone who has pneumonia will not necessarily have ARDS.

Answer True 1 / 2

• What is refractory?

Answer When giving a lot of oxygen to the pt won't help because the alveoli can't use the oxygen so it has no where to go

• What happens to compliance in ARDS?

Answer Lung compliance decreases (d/t fluid getting in the alveoli and making them stiff)

• What are indirect causes of ARDS?

Answer

• Sepsis

• Trauma (burns, head injury, lung contusion)
• Pancreatitis

• What are direct causes of ARDS?

Answer

• Pulmonary infections

• Aspiration
• Pneumonia
• Drowning

• What are other causes of ARDS?

Answer

• Age > 70

• Immunocompromised (HIV, chemotherapy)
• Smokers

• What are clinical manifestations of ARDS?

Answer

• Hypoxemia
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