80 year old lady with type 2 DM was referred for high blood sugar. Her blood gases showed the following:
PH = 7.39
pCO2 = 48 mmol/L
80 year old lady with type 2 DM was referred for high blood sugar. Her blood gases showed the following:
PH = 7.39
pCO2 = 48 mmol/L
Answers:
PH = 7.34, that is very mild acidaemia.
HCO3 = 14 mmol/L. So, we have metabolic acidosis.
Next we need to calculate Anion Gap and compensation.
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A police recruit doing a 20 km pack hike. Collapsed. GCS on arrival was 7. His temperature was 39.2 on arrival. His venous blood gases showed the following:
PH = 7.34
pCO2 = 27 mmHg
Answers:
PH = 7.391, that is within the normal range, slightly to the acidic side.
pCO2 = 57 mmHg, that is high. So we have respiratory acidosis.
It is not clear from the history if the condition is acute or chronic. Accordingly we are going to check for both.
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The wrist x-rays show Continue reading