Q: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Question: A patient goes to the hospital for a myocardial infarction with ST segment elevation. Upon arrival, he is hypotensive, presents crackles and a systolic murmur is heard 3/6. What is your diagnostic suspicion?
Options: <1> Cardiogenic shock. <2> Rupture of free wall of left ventricle. <3> Acute mitral failure due to papillary muscle rupture. <4> Cardiac tamponade. <5> Thrombosis of the common trunk.
A:
3