A 28-year-old man presents to the Emergency Department with acute shortness of breath and wheeze. He has a known history of asthma. His respiratory ra...

Question

A 28-year-old man presents to the Emergency Department with acute shortness of breath and wheeze. He has a known history of asthma. His respiratory rate is 28/min, heart rate 110/min, and oxygen saturation is 93% on air. He is unable to complete sentences. What feature would classify this asthma exacerbation as life-threatening?

Accepted Answer

Silent chest

Answer

Peak expiratory flow rate (PEFR) 40% predicted

Answer

Inability to complete sentences

Answer

Oxygen saturation 93%

Answer

Use of accessory muscles

ukmla MCQ (SBA): Acute Asthma Exacerbation