Need to maintain high index of suspicion, obtain full body radiography when indicated
TEE/TTE if intrathoracic
Serial fluoroscopy, especially if intracardiac, but will not determine if buried in myocardium or free moving within cavity
FAST exam as reasonable supplement
Missile embolism
Intrapericardial foreign body
Arterial gas embolism
Systemic venous embolism
Missile embolus
Right heart and pulmonary artery embolism
Fat embolism syndrome
Pulmonary vein embolism