A patient in the ICU suddenly develops shortness of breath. BS reveal fine crackles throughout all lung fields. Spo2 is 95% on a non-rebreather mask. CXR reveals diffuse fluffy infiltrates throughout. The most likely cause is?​

  1. Asthma
  2. Pleural effusion
  3. Pneumothorax
  4. Pulmonary edema


Pulmonary edema is associated with fine crackles to auscultation and diffuse fluffy infiltrates on chest x-ray.