aged; airway pressure; anamnesis; antibiotic therapy; article; bilateral pneumonia/th [Therapy]; bronchiectasis/di [Diagnosis]; case report; clinical article; coronavirus disease 2019/di [Diagnosis]; corticosteroid therapy; disease severity; dyspnea; emergency health service; endotracheal intubation; extracorporeal oxygenation; ground glass opacity/di [Diagnosis]; hospital admission; hospitalization; human; intensive care unit; invasive ventilation; male; non invasive procedure; noninvasive ventilation; patient transport; pneumomediastinum/co [Complication]; pneumomediastinum/di [Diagnosis]; pneumoperitoneum/co [Complication]; pneumoperitoneum/di [Diagnosis]; productive cough; respiratory failure/dt [Drug Therapy]; respiratory failure/th [Therapy]; risk factor; subcutaneous emphysema; therapy escalation; thorax radiography; treatment response; x-ray computed tomography; antibiotic agent/dt [Drug Therapy]; antibiotic agent/pv [Special Situation for Pharmacovigilance]; antibiotic agent/tm [Unexpected Outcome of Drug Treatment]; corticosteroid/dt [Drug Therapy]; corticosteroid/pv [Special Situation for Pharmacovigilance]; corticosteroid/tm [Unexpected Outcome of Drug Treatment]