A 46-year-old woman with a body mass index of 43 kg per m2 has excessive daytime sleepiness, morning headaches, and exertional dyspnea. Arterial blood gas while awake shows PaO2 60 mm Hg and PaCO2 54 mm Hg. She snores loudly but also remains hypercapnic during the daytime. Which of the following is the most likely diagnosis?
- A)Central sleep apnea due to heart failure
- B)Obstructive sleep apnea alone
- C)Primary pulmonary hypertension
- D)Obesity hypoventilation syndromeGABARITO
- E)Panic disorder with hyperventilation
Explicação
Obesity hypoventilation syndrome is defined by obesity with chronic daytime hypoventilation and hypercapnia. Unlike isolated obstructive sleep apnea, the patient remains hypercapnic while awake because overall ventilatory drive and chest wall mechanics are imp... Ver explicação completa e trilha adaptativa →