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Author Archives: Basil Muharb

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Lab case 391

Posted on December 20, 2022 by Basil Muharb

42-year-old alcoholic man presented with vomiting. His venous blood gases showed the following:

PH = 7.579

pCO2 = 48 mmHg

HCO3 = 45 mmol/L

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Posted in Lab Cases

Lab case 390 interepretation

Posted on December 19, 2022 by Basil Muharb

Question 1:

PH = 6.88, that is severe acidaemia

HCO3= 5.3 mmol/L. So, we have metabolic acidosis.

Next step is to calculate the anion gap to know which type of metabolic acidosis and we need to calculate the respiratory compensation.

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Posted in Lab Cases, Uncategorized

Lab Case 390

Posted on December 13, 2022 by Basil Muharb

85-year-old man presented with recurrent syncope episodes. His blood gases (on 3 L O2) showed the following:

PH = 6.88

pCO2 = 30 mmHg

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Posted in Lab Cases

Lab case 389 interpretation

Posted on December 13, 2022 by Basil Muharb

Question 1:

PH = 7.349, that is mild acidaemia

HCO3 = 18 mmHg. so we have metabolic acidosis.

Since we have metabolic acidosis then we need to calculate the compensation and the anion gap.

Continue reading →

Posted in Lab Cases

Lab case 389

Posted on December 6, 2022 by Basil Muharb

25-year-old police academy student brought to ED due to collapse in training. His heart rate was 170/min, Blood Pressure was 100/55 and his temperature was 39.5.

His venous blood gases showed the following:

PH = 7.349

Continue reading →

Posted in Lab Cases

Lab case 388 interpretation

Posted on December 4, 2022 by Basil Muharb

Question 1:

PH = 7.55, that is moderate alkalaemia.

pCO2 = 26 mmHG (<40), so we have respiratory alkalosis.  This can be acute or chronic respiratory alkalosis.

Continue reading →

Posted in Lab Cases

Lab case 388

Posted on November 27, 2022 by Basil Muharb

46-year-old female patient presented with few episodes of vomiting. Her VBG showed the following:

PH = 7.55

pCO2 = 26 mmHg

Continue reading →

Posted in Lab Cases

Lab case 387 Interpretation

Posted on November 27, 2022 by Basil Muharb

Answers:

Question 1:

pH = 7.357, that is within the normal range, towards the acidotic side.

HCO3 = 16.2, that is low. So, we have metabolic acidosis

Continue reading →

Posted in Lab Cases

Lab case 387

Posted on November 23, 2022 by Basil Muharb

A 27-year-old female presented with fever, diarrhoea and feeling unwell for 3 days.  Her vitals showed the following:

Blood pressure = 102/50 mmHg

Pulse rate = 138/min

Continue reading →

Posted in Lab Cases, Uncategorized

Lab case 386 interpretation

Posted on November 20, 2022 by Basil Muharb

Question 1 answer

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Posted in Lab Cases, Uncategorized

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