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Initiating and Adjusting Oxygen Therapy Guidelines

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Initiating and Adjusting Oxygen Therapy Guidelines

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Questions and Answers

What is the recommended threshold for hypoxemia in adults based on PaO2 levels?

Less than 50 torr

Less than 70 torr

Less than 80 torr

Less than 60 torr (correct)

In which type of patients is poor oxygenation common, leading to a suspicion of hypoxemia?

Patients with diabetes

Patients with food allergies

Patients undergoing chemotherapy

Postoperative patients (correct)

When is O2 therapy alone considered insufficient to treat hypoxemia?

When using a nasal cannula

When the P/F ratio is above 200

When oxygen saturation is above 95%

When the P/F ratio drops below 200 (correct)

What is the main recommended treatment when O2 therapy alone is insufficient due to shunting?

Applying CPAP or PEEP Signup and view all the answers

Which method can help raise the PaO2 level in patients with refractory hypoxemia?

Using patient positioning to decrease shunting Signup and view all the answers

What is the defining factor when considering the use of CPAP or PEEP in treating hypoxemia?

$PaO_2$ levels Signup and view all the answers

What is the primary goal when titrating FIO2 (fraction of inspired oxygen) in patients?

To maintain a PaO2 of 80-100 torr with saturation ≥ 92% Signup and view all the answers

In emergency settings for conditions like carbon monoxide poisoning, acute pulmonary edema, or myocardial infarction, what is the recommended FIO2?

Provide the highest possible FIO2 Signup and view all the answers

For patients with chronic hypercapnia, what is the recommended target range for PaO2?

55-60 torr Signup and view all the answers

What is the recommended target range for PaO2 in low-birth-weight or preterm neonates at risk for retinopathy of prematurity (ROP)?

50-80 torr Signup and view all the answers

When suctioning a patient on invasive ventilatory support for hypoxemic respiratory failure/ARDS, which method is recommended to prevent ventilator disconnection?

Both an inline/closed catheter system and a bronchoscope ventilator adapter are recommended Signup and view all the answers

What is the recommended duration for each suctioning attempt when suctioning a patient?

10-15 seconds Signup and view all the answers