A patient admitted for chest pain and shortness of breath ha…

A patient admitted for chest pain and shortness of breath has a productive pink frothy secretions. Breath sounds auscultated with fine inspiratory crackles and wheezing. The following vitals are as follows:   HR – 120 bpm Frequency – 25 breaths/min Blood pressure – 95/75 mmHg SpO2 – 93%   Chest radiograph shows cardiomegaly and prominent pulmonary vasculature. What should help this patient’s shortness of breath?