Possible signs and symptoms of a PE include restlessness, cyanosis, tachypnea, tachycardia, decreased BP, decreased SpO2, chest pain (sharp, stabbing), hemoptysis, JVD, mental status changes, dyspnea, increased heart rate, increased temp, sense of impending doom, and anxiety. These symptoms can indicate a pulmonary embolism, a blockage in the arteries of the lungs, which can be life-threatening.