<s>[INST] A 73-year-old woman with a medical history of hypertension, hyperlipidemia, and chronic kidney disease comes into the emergency department with complaints of sudden onset shortness of breath that started at rest and has been ongoing for 2 hours. She denies any chest pain. Her vitals are as follows: Pulse: 101, Respiratory Rate: 24, Blood Pressure: 178/90, Oxygen Saturation: 91% on room air, and she weighs 180 lbs.  Her symptoms started after taking a new medication.  The new medication started 2 days ago.  What would be the best course of action?
Step 1: Get the patient’s medications list to identify the culprit medication.
Step 2: Administer Albuterol, Atrovent, and oxygen.
Step 3: Get a stat ECG and a stat CXR to evaluate for any signs of cardiac dysfunction or pulmonary edema.
Step 4: Administer a loading dose of nitroglycerin and aspirin if indicated based on the ECG results.
Step 5: Administer Lasix 20 mg IV to treat pulmonary edema.
Step 6: Administer a beta-blocker if indicated based on the ECG results.
Step 7: Get the patient’s BMP, CBC, troponin levels, and D-dimer results.[/INST]