Case Transcription ​Clinical Presentation: 7. A 50-year-old male patient presented with progressively worsening lower limb oedema and shortness of breath associated with orthopnoea. On examination, he had bilateral pitting lower limb oedema with a right-sided pleural effusion. ​Investigations: ​Hb: 10 g/dL ​MCV: 98 fL ​MCHC: 31 ​WBC: 9,000 ​Platelet: 103,000 ​Sodium: 130 mmol/L ​Potassium: 4.5 mmol/L ​S. Creatinine: 100 mmol/L ​AST: 98 iu/L ​ALT: 74 iu/L ​S. Protein: 50 g/dL ​Albumin: 22 g/dL ​ECG: Atrial fibrillation Diagnosis? Answer as a medical Registrar