A 24-year-old woman known to be suffering from panic disorder presents to the hospital with tingling and nu fingers. ABG: pH=7.52, PCO2=2.2kPa, PO2=11kPa,
Bicarbonate-20.
What is the most likely condition?
- Acute respiratory alkalosis
- Compensated metabolic acidosis
- Compensated respiratory alkalosis
- Acute metabolic alkalosis
Answer(s): A
Explanation:
In panic attack there occurs hyperventilation which causes washout of acute respiratory alkalosis resulting in raised pH >7.45 (here 7.52), low PCO2 (here 2.2 kPa) with compensatory HCO3 (here 20meq/l).
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