Medical MCQ-The blood gas parameters: pH 7.58, pCo2 23 mm Hg pO2 300 mm Hg and oxygen saturation 60% are most consistent with-

The blood gas parameters: pH 7.58, pCo2 23 mm Hg pO2 300 mm Hg and oxygen saturation 60% are most consistent with-

Carbon monoxide poisoning

Ventilatory malfunction

Voluntary hyperventilation

Methyl alcohol poisoning

Question Category:

Medicine

Correct Answer:

Ventilatory malfunction

Description:

Answer is B (Ventilatory malfunction) Ventilatory malfunction is the single best answer of exclusion This is consistent with a diagnosis of ventilatory mal function. None of the other three condition satisfy the given parameters of the patients. The answer of exclusion therefore is some form of ventilatory malfunction. In carbon monoxide poisoning ABG analysis would reveal acidosis and nollnal PO2 In voluntary hyperventilation oxygen saturation would be normal. In methyl alcohol poisoning ABG would reveal acidosis and not alkalosis.

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