Can you have a PE without a DVT?

Yes, a pulmonary embolism (PE) can occur without a preceding deep vein thrombosis (DVT). While PEs often originate from clots in the deep veins of the legs, they can also stem from clots in other parts of the body. In some cases, small clots may form directly in the lung's vasculature or migrate from other venous sites. Clinicians typically look for risk factors such as prolonged immobility, recent surgery, or underlying conditions that predispose one to clot formation.

Diagnosing a PE usually involves imaging techniques like CT pulmonary angiography or ventilation-perfusion (V/Q) scans. Standard evaluation often includes assessing clinical symptoms such as sudden onset of chest pain, shortness of breath, and tachycardia. Since these symptoms can overlap with other conditions, such as anxiety, healthcare providers often consider a combination of risk factors and clinical presentations when evaluating for PE.

Anyone with concerns about pulmonary embolism or related symptoms should discuss their specific situation with their healthcare provider.