A young female presents to your Emergency Department with hypotension and collapse.

1. Other than massive pulmonary embolism, list three possible differential diagnoses for this presentation with the specific POCUS exam type to identify them. 3 marks

2. Describe three POCUS findings typical of massive pulmonary embolism and the view required to obtain them. 3 marks

A large PE is confirmed and so you proceed to look for lower limb DVT.

3. List three points on POCUS you would assess to exclude deep vein thrombosis. 3 marks

4. List three expected ultrasound findings for an acute proximal leg deep vein thrombosis. 3 marks