NON Invasive Ventilation CH. 19 Pilbeam's
Exam Questions And Answers
3 basic methods of non invasive ventilation - ANS 1. Negative pressure Ventilation
2. Abdominal displacement ventilation
3. positive pressure ventilation
Types of negative pressure ventilators - ANS 1. Chest cuirass or shell ventilator
2. Iron Lung
Benefits of NIV in acute care setting. - ANS 1. Reduces the need for Intubation
2. Reduces incidences of VAP
3. Shortens hospital stay
4. Reduces mortality
5. Preserves physiological airway defenses
6. Improves pt. comfort
7. Reduces need for sedation
Benefits of NIV in Chronic care setting - ANS 1. Alleviates symptoms of chronic
hypoventilation
2. Improves duration and quality of sleep
3. Improves FRC
4. Prolongs survival
Indications for non invasive ventilation (acute care setting) - ANS 1. COPD and asthma
2. CHF
, 3. Hypoxemic respiratory failure and ARDS
4. Community acquired pneumonia
Indication for non invasive ventilation (Chronic care setting) - ANS 1. Restrictive thoracic
disorders
2. Chronic, but stable COPD
3. Cystic fibrosis
4. Nocturnal hypoventilation
Other indications of Non invasive ventilation - ANS 1. Weaning from invasive ventilation
2. Pt. with "do no intubate" order
Gold standard ventilation method for COPD - ANS CPAP
What is ventilation method is used for Obstructive sleep apnea - ANS CPAP
What must a patient have in order to use CPAP - ANS Must have adequate spontaneous
ventilation
When is Bipap used? - ANS 1. Patients with nocturnal hypoventilation and poor sleep
quality
2. Neurological patients (guillain barre, ALS)
Patients with nocturnal hypoventilation and poor sleep quality causes what condition? - ANS
1. Hypersomnolence (Excessive daytime sleepiness or prolonged nighttime sleep)
2. Dyspnea
3. Morning headaches
What is the difference between IPAP and EPAP? - ANS Pressure support
What will provide enough flow to wash out CO2 in Bipap? - ANS Increasing both the IPAP
and EPAP
Initial CPAP setting for Cardiogenic pulmonary edema? - ANS CPAP- 10 to 12 cm H20
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