They depend on the nature of the clogging of blood vessels: the caliber blockage, clot location, number of occluded vessels. As a rule, thromboembolism occurs suddenly and without apparent warning. The very first symptom is sudden dyspnea (shortness of breath). Furthermore, there is pain in the chest, radiating to the shoulder, arm, hemoptysis, palpitations. With the vast amount of congestion, there is cyanosis of the upper half of the body, swelling of the neck superficial veins.
Death in 90% of cases occur within 2 hours after the first signs of pulmonary embolism. So, if you can maintain vital functions longer than 2 hours from the start, the chances of recovery are high.
Diagnosis of pulmonary embolism
The diagnosis of pulmonary embolism confirmed by the results of the following tests:
Angiography of the pulmonary artery - the best test, it is the lack of invasiveness