Please match the ABG to the possible clinical scenarios. Also please provide your reasoning for arriving at the conclusion

Please put your answers as follows

  1. Metabolic / acid base state
  2. Reasoning for your answer
  3. Likely diagnosis

ABG 1

Ph         7.39   [7.35 -7.45]

Pco2      4.8mm   [4.0 – 7.0]

Po2      12.7 mm[12 – 16]

HCO3  26 meq/l  [22 – 28]

BE       -1                [-2.5  to   +2.5]

a) Early Diabetic ketoacidosis

b) Heart Failure

c) COPD

d) Acute bronchopneumonia

e) Opiate overdose

f) none of the above

ABG 2

Ph         7.21   [7.35 -7.45]

Pco2      3.8mm   [4.0 – 7.0]

Po2      15.7 mm[12 – 16]

HCO3  18 meq/l  [22 – 28]

BE       -5                [-2.5  to   +2.5]

a) Early Diabetic ketoacidosis

b) Heart Failure

c) COPD

d) Acute bronchopneumonia

e) Opiate overdose

f) none of the above

ABG 3

Ph         7.21   [7.35 -7.45]

Pco2      8.8mm   [4.0 – 7.0]

Po2      8.7 mm[12 – 16]

HCO3  35 meq/l  [22 – 28]

BE       +8              [-2.5  to   +2.5]

a) Early Diabetic ketoacidosis

b) Heart Failure

c) COPD

d) Acute bronchopneumonia

e) Opiate overdose

none of the above

ABG 4

Ph         7.55  [7.35 -7.45]

Pco2      2.8mm   [4.0 – 7.0]

Po2      10.7 mm[12 – 16]

HCO3  32 meq/l  [22 – 28]

BE       +5             [-2.5  to   +2.5]

a) Early Diabetic ketoacidosis

b) Heart Failure

c) COPD

d) Acute bronchopneumonia

e) Opiate overdose