A 173 cm (5 ft 8 in), 70 kg (157 lbs) male is receiving VC-Ventilation in the ICU with the following an setting and ABG.   Mode A/C pH 7.39 FiO2 0.60 PaCO2 48 torr Rate 22 BPM PaO2 68 torr Vt 550 mL HCO3 25  mEq/L PEEP 15 cmH2O  BE  1   mEq/L Day Mon Tues Wed Thurs Peak Pressure PIP (cmH2O) 28 30 35 43 Plateau Pressure (cmH2O) 18 20 25 32 The respiratory therapist should recommend?

A 41-year-old woman who is 160 cm (5 ft 3 in) tall and weighs 60 kg (133 lb) is brought to the ED following an auto vs pedestrian accident,  PC, SIMV ventilation is initiated.  Six days later, ventilator settings are: FIO2 0.40   pH 7.39 Mandatory rate 8   PCO2 41 mm Hg Insp Press 18 cmH2O   PO2 86 mm Hg VT 360 mL   HCO3- 23 mEq/L PEEP 5 cm H2O   BE -2 mEq/L       SaO2 (calc) 96% The patient is alert and oriented. She is hemodynamically stable and initiating inspiratory efforts. Which of the following should a respiratory therapist recommend FIRST?

A 171-cm (5-ft 7-in), 65-kg (142-lb) 43-year-old female is receiving PC, SIMVventilation. The following data are available: FIO2 0.40   pH 7.52 Mandatory rate 15   PaCO2 26 mm Hg Total rate 15   PaO2 110 mm Hg Set inspiratory pressure 18 cm H2O   HCO3 – 21 mEq/L Exhaled VT 380 mL   BE 0 mEq/L I:E 1:4   SaO2 (calc) 98% PEEP 10 cm H2O       A respiratory therapist should recommend decreasing the

Multiple-Multiple Response.  Please chose as many as needed.Which of the following waveform displays are scalars?

If a patient PIP has gone down by 5 cmH2O while the static pressure did not change and stay the same,  which is most likely contributing to this problem?

A 45-year-old male who is 160 cm (5 ft 2 in) tall and weighs 80 kg (175 lb) is brought to the ED following a Stab wound. PC, A/C ventilation is initiated.  One days later, ventilator settings are: FIO2 0.40   pH 7.31 Mandatory rate 14   PCO2 49 mm Hg Insp Press 16 cmH2O   PO2 76 mm Hg VT 420 mL   HCO3- 23 mEq/L PEEP 5 cm H2O   BE -2 mEq/L       SaO2 (calc) 93% Which of the following should a respiratory therapist recommend FIRST?

  What type of flow waveform does A represent?

A 189-cm (6-ft 2-in), 92-kg (202-lb), 32-year-old male was injured in a motor vehicle crash. She is intubated at the scene with a 6.0-mm ID endotracheal tube. On arrival to the ED, PC, A/C ventilation is initiated, and the following data are noted: FIO2 0.40   PEEP 5 cm H2O Mandatory rate 12   PIP 40 cm H2O VT 525 mL   Pplat 22 cm H2O Inspiratory flow 55 L/min       The patient is exhibiting increased work of breathing, and is breathing dyssynchronously with the ventilator. A respiratory therapist should recommend

  What type of flow waveform does E represent?

The following data are obtained for an adult patient: FiO2 0.7   pH 7.42 VD/Vt 0.45   PaCO2 38 mmHg RER (q) 0.8   PaO2 92 mmHg Pb 747  mmHg   HCO3- 25 mEq/L       BE +1 mEq/L       SO2 (calc) 99% What is the P(A-a)O2 (mm Hg)?