[Answered]: you are performing CPR on a medical patient in…

you are performing CPR on a medical patient in cardiac arrest who was feeling fine 30 minutes ago. the patient then went into cardiac arrest and you are unable to obtain any pulses. the patient has a history of myocardial infarction and your minitor shows a sinus tachcardia at 130 which best fits this situation. hypovolemia PE ventricular aneurysm pericardial tamponade