| Summary points: | A 44-year-old man presents to the emergency room complaining of light-headedness and fatigue and believes he has been coughing up blood. He appears confused and unable to give an accurate medical history. The authors review the imaging tests available to help evaluate this patient, which include chest radiography, conventional CT, multidetector CT angiography, and conventional thoracic angiography, and discuss the causes of and treatment for haemoptysis. |