A patient presents to the ED complaining of severe dyspnea f…

A patient presents to the ED complaining of severe dyspnea for the past several hours caused by pulmonary edema. You place the patient on oxygen therapy and ask questions related to their breathing. The patient has been experiencing paroxysmal nocturnal dyspnea, has been sleeping in the recliner for the last month and states he has noted a worsening of ankle swelling with 2-3 + pitting edema. Based on this information, which pulmonary edema etiology best fits this patient’s clinical picture?

You are called to attend to an ER patient complaining of sho…

You are called to attend to an ER patient complaining of shortness of breath and severe dyspnea on exertion. Patient history is significant for a 30 year-pack smoking history, dry non-productive cough and occasional pedal edema. CXR findings are not remarkable except for mild cardiomegaly. You want to rule out ILD vs. obstructive lung disease. Which of the following tests may help you to differentiate the diagnosis on this patient?I. sputum culture and sensitivityII. high resolution CTIII. pulmonary function testingIV. arterial blood gas analysisV. PET scan