Extreme shortness of breath or diff

Extreme shortness of breath or difficulty breathing (dyspnea) that worsens when lying down
A feeling of suffocating or drowning
Wheezing or gasping for breath
Anxiety, restlessness or a sense of apprehension
A cough that produces frothy sputum that may be tinged with blood
Chest pain if pulmonary edema is caused by heart disease
A rapid, irregular heartbeat (palpitations)