Mаtch eаch mоde оf mechаnical ventilatiоn with its corresponding function.
A 58-yeаr-оld mаle wаs admitted tо the ICU 5 days agо following a motor vehicle collision with multiple rib fractures, pulmonary contusions, and a Grade III splenic laceration. He was intubated on hospital day 1 due to respiratory failure and hemodynamic instability. He underwent successful splenic embolization and has been hemodynamically stable for the past 48 hours. Today, the patient develops a new fever and increased ventilator requirements. Past Medical History: Hypertension, Obesity (BMI 34), no prior hospitalizations Current Vital Signs: BP: 108/52 mmHg HR: 108 bpm Temperature: 101.8°F (38.8°C) Ventilator settings: FiO2 60%, PEEP 8, TV 480 mL, RR 18 SpO2: 92% Physical Examination: Sedated on fentanyl/propofol, responds to stimulation Coarse breath sounds bilaterally with decreased air entry at bases Thick, purulent yellow-green tracheal secretions (new onset) Abdomen soft, healing surgical site No peripheral edema Laboratory Results: WBC: 16,800/μL (was 11,200 yesterday) Neutrophils: 88% with 12% bands (left shift) Hemoglobin: 10.2 g/dL Platelets: 198,000/μL Creatinine: 0.9 mg/dL (normal renal function) Procalcitonin: 2.8 ng/mL (elevated,