PE

Typical features of acute pulmonary embolus are

1. Dilated thin walled RV

2. Flattened IV septum or septal bowing to LV

3. Hyperdynamic D shaped LV

4. Dilated non collapsing IVC 

Other features of acute pulmonary embolus are

1. 60-60 sign (PAP <60mmHg; PAT <60ms)

2. Clot in transit

3. DVT