A 40-year-old man has fever, cough and right pleuritic pain. Right effusion: frank pus, neutrophils, LDH 1200, glucose 1.9 mmol/L. What is the diagnosis?
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الإجابة والشرح
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الإجابة: C. Empyema
Frank pus in the pleural space defines an empyema, supported here by neutrophils, LDH >1000 and very low glucose (1.9 mmol/L, about 34 mg/dL). A simple (uncomplicated) parapneumonic effusion is clear or slightly cloudy with pH >7.2, glucose >60 mg/dL, LDH <1000 and no pus.
ليش كل خيار صح أو غلط
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A
ليش غلط
A simple (uncomplicated) parapneumonic effusion has clear or slightly cloudy fluid with pH >7.2, glucose >60 mg and LDH <1000. This fluid is frank pus with LDH 1200 and very low glucose.
✓ Pleural effusion.pdf · p. 7 -
C
ليش صح
Empyema is pus in the pleural cavity; its fluid is frank pus with pH <7.2, low glucose (<30-60 mg/dL) and a positive Gram stain/culture. Here: frank pus, glucose 1.9 mmol/L and LDH 1200.
✓ Pleural effusion.pdf · p. 6
- المصدر
- Pleural effusion.pdf · p. 6
Pleural effusion.pdf · p. 7 - المحاضرة
- Pleural Effusion & Pneumothorax · Pulmonology · Module B
- ظهر في
- MED41 ♀ EOM B