General medicine, geriatric medicine and other topics
ValueReference range Arterial pH7.507.35–7.45 Sodium (mmol/L)146137–145 Potassium (mmol/L)2.73.2–4.5 Bicarbonate (mmol/L)3726–35 Creatinine (μmol/L)9750–100 C-reactive protein (mg/L)2.1<10 Plasma renin (μIU/mL)2.17.0–50.0 33. A 48-year-old woman presents with headache, blurred vision and palpitations. She…