Echo (Echocardiographic)-
McConnell's sign: characterized by akinesis (lack of movement) of the right ventricular (RV) mid-free wall with normal or hyperdynamic contraction of the RV apex.
Chest x-ray signs (CXR) in pulmonary embolism-
• Westermark sign: Focal oligemia (decreased blood flow) distal to the embolus.
• Hampton’s hump: A wedge-shaped, pleural-based opacity with the base against the pleura, indicative of pulmonary infarction.
• Palla’s / Knuckle sign: Sausage lump; Enlarged right descending pulmonary arteryn
• Elevated Hemidiaphragm: Due to atelectasis or pleural effusion.
• Chang sign: Abrupt tapering or cutoff of a pulmonary artery.
• Fleishner’s sign - Enlarged pulmonary artery