MRCP2-3876
You are urgently requested to review a 68-year-old woman who has been admitted to the Emergency Department. She has a past medical history of chronic obstructive pulmonary disease. She is currently complaining of worsening shortness of breath.
Upon examination, her blood pressure is 100/70 mmHg and her heart rate is 110 bpm. There are wheezes heard on auscultation of the chest. Both legs are swollen up to the knees.
The following investigations have been carried out:
Sodium (Na+) 138 mmol/l 135–145 mmol/l
Potassium (K+) 4.8 mmol/l 3.5–5.0 mmol/l
Urea 12 mmol/l 2.5–6.5 mmol/l
Creatinine (Cr) 120 µmol/l 50–120 µmol/l
Haemoglobin (Hb) 110 g/l 135–175 g/l
White cell count (WCC) 7.0 × 109/l 4.0–11.0 × 109/l
Platelets (PLT) 200 × 109 /l 150–400 × 109/l
What is the most appropriate treatment option for this patient?