Investigation

A 44-year-old woman develops a severe headache while lifting her young child; she says it was already unbearable before she could put the child down. She has vo…

A 27-year-old man with no previous psychiatric history is brought to hospital by his family after two weeks of little sleep, expansive business plans and increa…

A 72-year-old man is found to have a serum creatinine of 286 micromol/L, compared with 98 micromol/L 3 months earlier. He reports six months of poor urinary str…

A 68-year-old man reports persistent thoracic back pain and fatigue for 3 months. His haemoglobin is 92 g/L (reference range 130–170), creatinine is 180 micromo…

A 72-year-old man presents to the emergency department with a sudden onset of severe right leg pain over the past 3 hours. He also reports numbness and weakness…

A 45-year-old woman presents to the emergency department due to the sudden onset of nausea, vomiting, and epigastric pain radiating to the back for the past 6 h…

A 55-year-old with progressive difficulty swallowing solid foods over 4 months has no accompanying chest discomfort or unpleasant oral taste. Weight loss of abo…