Question: In which patient would an urgent coronary angiography be performed? 
 Options:  <1> 66-year-old diabetic woman with a single episode of pain at rest and elevation of troponins. <2> A 77-year-old man admitted for two 30-minute episodes of pain with a decrease in the ST segment on the ECG during the episode of pain. <3> A 55-year-old man who, after a week of treatment with double antiaggregation, underwent an isotopic ergometry showing extensive ischemia in the anterior face. <4> A 65-year-old woman with pain at rest and positive clinical ergometry in the third stage of Bruce. <5> A 55-year-old patient admitted for chest pain and dyspnea saturating 80% despite the administration of oxygen and with an ECG with ST-segment depression in the anterolateral aspect that does not revert with the administration of intravenous nitroglycerin.
5