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Category Archives: Lab Cases

Clinical Cases based on lab results

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Lab case 364

Posted on May 22, 2022 by Basil Muharb

8 years old asthmatic boy, presented with croupy cough and wheezy chest. His blood gases showed the following:

PH = 7.299

pCO2 = 52 mmHg

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Posted in Lab Cases

Lab case 363 interpretation

Posted on May 22, 2022 by Basil Muharb

Question 1:

PH = 7.52, that is moderate alkalaemia

pCO2 = 34, so we have respiratory alkalosis.

Next we calculate the compensation.

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Posted in Lab Cases

Lab case 363

Posted on May 15, 2022 by Basil Muharb

50 year old man presented to the emergency department with vomiting. He is an excessive THC smoker.

His blood gases showed the following:

PH = 7.52

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Posted in Lab Cases

Lab case 362 interpretation

Posted on May 15, 2022 by Basil Muharb

Question 1:

PH = 7.299 that is mild acidaemia

pCO2 = 80 mmHg, So we have metabolic acidosis. Next we need to calculate the compensation.

Continue reading →

Posted in Lab Cases, Uncategorized

Lab case 362

Posted on May 9, 2022 by Basil Muharb

77 year old lady referred by GP for shortness of breath on exertion. Her venous blood gases showed the following:

PH = 7.299

pCO2 = 80 mmHg

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Posted in Lab Cases, Uncategorized

Lab case 361 interpretation

Posted on May 9, 2022 by Basil Muharb

Question 1:

For synovial fluid analysis. WBC level more than 50,000 (especially if more than 80,000) is suggestive of septic arthritis.

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Posted in Lab Cases, Uncategorized

Lab case 361

Posted on May 2, 2022 by Basil Muharb

60 year old man with painful knee effusion. Synovial fluids analysis showed the following:

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Posted in Lab Cases, Uncategorized

Lab case 360 Interpretation

Posted on May 2, 2022 by Basil Muharb

Question 1:

PH = 7.19, that is severe acidaemia.

HCO3 = 14 mmol/L, So we have metabolic acidosis. Next, we need to calculate respiratory compensation and anion gap.

Continue reading →

Posted in Lab Cases, Uncategorized

Lab case 360

Posted on April 26, 2022 by Basil Muharb

78 year old diabetic man, presented to ED feeling unwell. His venous blood gases showed the following:

PH = 7.19

pCO2 = 39 mmHg

Continue reading →

Posted in Lab Cases

Lab case 359 interpretation

Posted on April 26, 2022 by Basil Muharb

Question 1:

PH = 7.38, that is within the normal range, toward the acidotic side.

pCO2 is 62 mmHg, that is high. Usually this number is associated with respiratory acidosis.

Continue reading →

Posted in Lab Cases

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