What are the major signs and symptoms of pulmonary embolus?

PE symptoms: Some patients with pulmonary embolism have no symptoms whatsoever. So, it is possible to have one and not know it, especially if it is a small clot. If the clot is big enough, most patients will have sudden onset of shortness of breath, chest pain that worsens when breathing deeply, a cough, and a fast pulse. Sometimes people with a pe are lightheaded, dizzy, clammy, and sweaty.

Chest pain : Chest pain, shortness of breath are the most common. Coughing up blood, mild fever can also happen. Fast heart rate may be another sign. You will feel more winded while walking.