56 year-old-man, day 4 ICU. Background of MI three weeks previously, followed by respiratory failure of uncertain aetiology with bilateral lung infiltrates, normal cardiac output and low filling pressures. Clinical findings included bilateral fine crepitations, evidence of airflow obstruction, and a vasodilated state.
Candidates were informed that the patient had respiratory failure and shock following a recent MI. They were asked to examine him to find a likely cause.