Gas Goblin: Case #10
The Tingling Rush of Air
A 28-year-old woman presents with sudden onset chest tightness, tingling in her hands and perioral numbness. She is tachypnoeic but haemodynamically stable, with clear lungs and normal ECG.
- ABG
- pH: 7.55 (7.35 – 7.45)
- pO₂: 115 mmHg (75 – 100)
- pCO₂: 25 mmHg (35 – 45)
- HCO₃⁻: 22 mmol/L (22 – 26)
- BE: -1 mmol/L (-3 – 3)
- SaO₂: 100 % (94 – 100)
- Na⁺: 140 mmol/L (135 – 145)
- K⁺: 3.7 mmol/L (3.5 – 5.5)
- Cl: 104 mmol/L (95 – 110)
- Ca: 1.18 mmol/L (1.12 – 1.3)
- Lactate: 1.2 mmol/L
- Glucose: 4.8 mmol/L (4 – 8)
- Urea: 4 mmol/L
- Creatinine: 65 μmol/L
- Osmolarity: 285 mOsm/L
- COHb: 1 % (0.2 – 2)
- MetHb: 1 %
- fiO2: 0.21
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