Mr. Jim Bean is a 69 YO male who has undergone open heart surgery with a history of COPD due to many years of smoking and is being hemodynamically monitored. He is currently on mechanical ventilation. Based on the following recorded parameters, what is the the patient’s C(a-v)O2?pH 7.37, PCO2 68 torr, PO2 137 torr, SaO2 97% on 60% O2Hb 19.8 g/dLPB 750 torrPvO2 43 torr (SvO2 56 torr)QT 4.3 L/min

A patient’s P(A-a)O2 is calculated to be 132 mmHg, what is the most likely cause?

A patient with a large left tension pneumothorax is likely to exhibit all of the following, EXCEPT:

Dr. D inserted a central line catheter into Patient A’s subclavian artery. An hour later, the RT notices that the patient’s clinical condition has deteriorated and crepitus is noted on the anterior chest wall. Which of the following should the therapist recommend FIRST?

A patient who was intubated with a history of COPD who exacerbated due to RML and RLL pneumonia has been in the MICU for the past two days with little improvement of the underlying condition. At 0700 you document the following parameters, PIP 26, Pplat 14 and then two hours later you note the following, PIP 27, Pplat 23. What is the underlying problem that has resulted in these changes?

A 10-year-old patient has inhaled hot gases and an inspection of her oropharynx shows edema and blisters. What should be done?

When attempting to determine the source of a leak in a chest tube drainage system, what is the step-by-step approach in order of succession?

All of the following statements about thermal injury are true EXCEPT:

What type of pneumothorax is being described in the previous question?

All of the following injuries would be consistent with a diagnosis of flail chest EXCEPT: