<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 67-year-old man with a history of diabetes mellitus, COPD, and a ST-elevation myocardial infarction currently on dialysis presents with shortness of breath for the past 2 hours. The patient missed his recent dialysis appointment and has been noncompliant with his other medications. The patient found out his best friend died this morning and has felt worse since this event. His temperature is 98.7F 37.1C, blood pressure is 8748 mmHg, pulse is 130min, respirations are 27min, and oxygen saturation is 92 on room air. A bedside ultrasound demonstrates an anechoic rim surrounding the heart with poor cardiac squeeze, global hypokinesis, and right ventricular collapse with pleural sliding. Laboratory values are notable for 2 cardiac troponins that measure 0.72 ngmL and 0.71 ngmL. Which of the following is the most likely diagnosis?? A: Cardiac tamponade, B: Hyperkalemia, C: Myocardial infarction, D: Takotsubo cardiomyopathy, E: Tension pneumothorax,  <response>: Based on the information provided in the question stem, the most relevant details are:- 67-year-old man with history of diabetes, COPD, and recent myocardial infarction - On dialysis and noncompliant with medications- Experienced emotional stress friends death and worsening symptoms since - Vital signs show hypotension and tachycardia- Ultrasound shows pericardial effusion, poor cardiac squeeze, global hypokinesis, RV collapse- Mildly elevated cardiac troponinsThe pericardial effusion seen on ultrasound along with the patients hypotension suggests cardiac tamponade as the most likely diagnosis. The emotional stress and catecholamine surge resulting in stunned myocardium along with the ultrasound findings could also point to takotsubo cardiomyopathy, but this is less likely given the recent MI history. Hyperkalemia, MI, and tension pneumothorax are not supported by the provided information.A: Cardiac tamponade 