Posted by Floeos from IP 213.149.161.21 on April 27, 2007 at 23:29:12:
82 yo male presents with chest pain. pH 7.2, HCO3 20 paCO2 20 paO2 90. His weight is 70 Kg and height 172cm.
What do you think is the possible differential diagnosis?
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Calculations by M.I.N.D.
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Primary acid base disturbance: Metabolic acidosis -
Secondary dusturbance : Respiratory alkalosis
BMI: 23.6614386 -- Body Mass Index is normal.
A-a gradient: 34.73 Abnormal: A-a grad. for a normal 82 yo patient on 21% O2 is: 24.5
TBW: 42 L Basal Energy Exp: 1479.27 kcal/d Body Surface Area: 1.8251187 sq. meters
Calculated Sat 02: 0.96944771%
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Snap differential
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1. Metabolic acidosis - , , , , Detected, MIND score: 5
2. Respiratory alkalosis - , , , , Detected, MIND score: 5
3. Pulmonary embolism: - R. Alk., , R/O Pulm. embolism: Abnormal A-a grad., R. Alk., MIND score: 4
4. Diarrhea: - Met. Acid., MIND score: 1
5. RTA I: - Met. Acid., MIND score: 1
6. RTA II.: - Met. Acid., MIND score: 1
7. Fanconi: - Met. Acid., MIND score: 1
8. Addison's disease: - Met. Acid., MIND score: 1
9. K sparing diuretics: - Met. Acid., MIND score: 1
10. RTA IV: - Met. Acid., MIND score: 1
11. Hyperalimentation: - Met. Acid., MIND score: 1
12. Salicilate poisoning: - R. Alk., MIND score: 1
13. Acetazolamide abuse: - Met. Acid., MIND score: 1
14. Sepsis: - R. Alk., MIND score: 1
16. CNS lesion: - R. Alk., MIND score: 1
17. Anxiety: - R. Alk., MIND score: 1
18. Pain disorder: - R. Alk., MIND score: 1