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A 34-year-old female who is a victim of a residential fire is brought to the ED and is receiving oxygen by nasal cannula at 4 L/min. SpO2 is 100%. The following data are observed: pH 7.31   SO2(meas) 99% PCO2 32 mm Hg   O2Hb 78% PO2 205 mm Hg   COHb 21% HCO3 – 16 mEq/L   Hb 14.5 g/dL BE -9 mEq/L       A respiratory therapist should recommend

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

  What type of flow waveform does E represent?

The ventilator graphic below, what is can be identify from the arrow.     

A 59-year-old man who is 170 cm (5 ft 7 in) tall and weighs 65 kg (143 lb) is receiving VC ventilation after abdominal surgery. Ventilator settings and blood gas analysis results are: FIO2 0.40   pH 7.47 Mandatory rate 14   PaCO2 31 mm Hg Total rate 14   PaO2 117 mm Hg VT 500 mL   HCO3- 23 mEq/L       BE 0 mEq/L       SaO2 (calc) 98% A respiratory therapist should

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

A 28-year-old female patient with a burn injury is being monitored in the ICU. She is 165 cm (5 ft 6 in) tall and weighs 60 kg (132 lb).  A respiratory therapist should start with which initial tidal volume?

Mutlple-Multiple Response.  Please choses as many as needed.What can be set when on PC/AC mode?

A trauma patiuent has a pleural chest tube to the left lung.  A volume-cycled ventilator is delivering an inspiratory tidal volume of 800 mL.  The expiratory tidal volume is shown to be 600 mL.  What could best explain the volume difference?