Chapter 28 (ARDS) with complete solutions 2024

Chapter 28 (ARDS)Approximately 200,000 Americans annually develop ARDS, what is the mortality rate? - correct answer Average around 50% What does the survivability depend on for ARDS patients? - correct answer -Severity of illness -Age -Comorbidities -Underlying pulmonary injury What is the diagnostic criteria for ARDS? - correct answer -Respiratory symptoms within 1 week of known clinical even or new or worsening symptoms over the past 7 days -Bilateral opacities on CXR or CT scan (cannot be from effusion, lung collapse, or pulmonary nodules) -Patients respiratory failure that cannot be explained by heart failure or fluid overload -Moderate to severe impairment in oxygenation, measured by the PaO2/FiO2 How do you define mild ARDS? - correct answer P/F ratio 200 but 300 mmHg, on ventilator settings that include PEEP or CPAP 5 cmH2O How do you define moderate ARDS? - correct answer P/F ratio 100 but 200 mmHg, on ventilator settings that include peep 5 cmH2O How do you define severe ARDS? - correct answer P/F ratio 100 mmHg, on ventilator settings that include PEEP 5 cmH2O ARDS is not really a disease, what is it? - correct answer A syndrome that encompasses a wide array of signs and symptoms. It is a medial emergency that causes direct and indirect lung injury (pulmonary vs. nonpulmonary) What are the most common causes of ARDS? - correct answer -Sepsis