A client is mechanically ventilated due to acute respiratory distress syndrome (ARDS). The ventilator is set to continuous mandatory ventilation (CMV) mode, RR 35, PEEP 5 cmH 2 o, FiO2 0.75. An arterial blood gas is drawn by the nurse. The results are pH 7.32, PCO2 60mmHg, HCO 3 16 mEq/L (16 mmol/L) and PO2 45 mmHg.

Based on these findings what changes to the ventilator need to be made?

Reference Ranges:
pH: 7.35-7.45
pCO 2 : 35-45 mmHg
pO 2 : 80-100 mmHg
HCO 3 : 22-26 mEq/L (22-26 mmol/L)

Ramanpreet Kaur Sidhu

ID: 137304

Question

A client is mechanically ventilated due to acute respiratory distress syndrome (ARDS). The ventilator is set to continuous mandatory ventilation (CMV) mode, RR 35, PEEP 5 cmH 2 o, FiO2 0.75. An arterial blood gas is drawn by the nurse. The results are pH 7.32, PCO2 60mmHg, HCO 3  16 mEq/L (16 mmol/L) and PO2 45 mmHg.  
 
   Based on these findings what changes to the ventilator need to be made? 
 
 Reference Ranges: 
 pH: 7.35-7.45 
 pCO 2 : 35-45 mmHg 
 pO 2 : 80-100 mmHg 
 HCO 3 : 22-26 mEq/L (22-26 mmol/L) 
 
   Ramanpreet Kaur Sidhu   
 
 ID: 137304

Accepted Answer

Increase the positive end-expiratory pressure (PEEP) by 3-5 cm H 2 0

Answer

Increase the FiO 2  flow rate on the ventilator

Answer

Increase the respiratory rate on the ventilator

Answer

Increase the tidal volume on the ventilator

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A client is mechanically ventilated due to acute respiratory distress syndrome (...

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