The patient is a 36-year-old lady who has a near-term pregnancy (G3P2) with dyspnea on exertion. She has palpitations, inspiratory and expiratory wheezes, slight coughing, and orthopnea. She gained five pounds in just one week. For the past two days, she has been experiencing escalating lower extremities edema up to her knees. She had a systolic murmur, low oxygen saturation, and a laterally displaced apical impulse when she first appeared. Her fundal height aligns with her dates; she is a gravida female. The baby's heart rate is 140 bpm, and she is experiencing an active fetal movement. She recently suffered a bladder infection and has both current and prior gestational hypertension. She denies using recreational drugs, smoking, or drinking alcohol at the moment. What will the differential diagnosis be for this patient?What diagnostic test and lab test should be ordered?
