• Provide an interpretation for each ABG (to include acute or chronic, compensation and hypoxemia level).
• Identify the problem (ventilation, oxygenation, both or neither).
• Provide your recommendation for correcting the problem. (include formulas, calculations and units of measure).

1.A patient is on SIMV - 6, VT - 700, FIO2 - .85, PEEP +5. The ABG results are as follows:

PH7.44

PaCO236 torr

HCO323 mEq

PaO2229 torr

2.A patient is being ventilated follow an exploratory abdominal surgery. His lean body weight is 110 lb. He is on AC mode, 550ml, and amandatory rate of 14 without any spontaneous respiratory efforts, FIO2 .40.

ABG results are as follows:

pH7.51

PaCO231 torr

HCO324 mEq

PaO2100 torr

3.A 68 Kg patient has the following ABG results on SIMV mode, rate of 12, VT 550, FIO2 of .30, PEEP 0. No spontaneous breaths are noted.

PH7.23

PaCO268 torr

HCO324 mEq

PaO283 torr

4.A 12-year- old female weighing 40kg (88 lb) is receiving continuous mechanical ventilation following an accidental drug overdose. The respiratory care practitioner notes the following:

Mode - SIMV

Set rate - 12br/min

Total rate -12br/min

Vt - 750 ml

FiO2 - 0.30

Arterial blood gases are as follows:

Ph - 7.58

PCO2 - 23mmHg

PO2 - 141mmHg

HCO3 - 22mEq/L

5.A 70 kg (154 lbs) post-cardiopulmonary arrest patient is on a volume-cycled ventilator in the assist/control mode. The respiratory care practitioner notes the following data:

Set rate8 br/min

Total rate8 br/min

FiO20.65

VT850 ml

The arterial blood gas results are as follows:

pH7.30

PCO256 mmHg

PO278 mmHg

HCO3-21 mEq/L