Dr. Oz Asks Pulmonary Expert Dr. Lindsay Lief How Bad The Ventilator Shortage Is In New York.

Dr. Oz's interview with pulmonary expert Dr. Lindsay Lief, about if the use of high flow nasal cannulas can help offset the shortage of ventilators in hotspots like New York City.

Watch THE DR. OZ SHOW, weekdays at 4 p.m. on CBS 62.