ABPMR Neuromuscular Medicine Practice Questions - ABPMR Neuromuscular Medicine Subspecialty Certifying Examination Exam

When is non-invasive ventilation (NIV) typically initiated in ALS based on pulmonary function testing?

When forced vital capacity (FVC) falls below 50% predicted or symptomatic orthopnea develops Only after intubation for respiratory failure At the time of diagnosis regardless of pulmonary status When FVC is below 80% predicted

Correct Answer:

When forced vital capacity (FVC) falls below 50% predicted or symptomatic orthopnea develops

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