The DVT Ultrasound Exam in the Emergency Department is used mainly for assessment of above knee DVTs, in patients with suspected DVT. The video below explains how to perform an above knee DVT Ultrasound Exam.
A 44 year old woman presents with calf pain after a long hike followed by a long flight. Her upper medial calf is particularly tender. You consider Baker's cyst, calf muscle tear and DVT the most likely differentials.
An echo reveals a dilated and poorly functioning right ventricle with RV wall thickness of 6mm (≤5mm). You wonder whether this is a massive pulmonary embolism or just the changes of chronic pulmonary hypertension.