Problem: AJ has a diagnosis of congestive heart failure and renal insufficiency. The patient decided not to take his diuretic during a weekend get away with his family. The day after returning home, AJ presents to urgent care with a cough. The patient believes he contracted an upper respiratory infection while away. On exam, the patient is short of breath with speaking and movement. He has pitting edema of the bilateral lower extremities. The patient is tachycardic and hypertensive. A chest x-ray reveals pulmonary edema. He is afebrile, denies sputum production and has a normal WBC count. The most likely etiology of AJ's presentation is: Group of answer choices a. Community acquired pneumonia with systemic inflammation b. Heart failure exacerbation with increased hydrostatic pressure in the pulmonary vessels. c. Heart failure exacerbation with increased colloid oncotic pressure of the pulmonary vessels d. Upper respiratory viral infectionc pressure.