CT scan is useful when other modalities are inconclusive for evaluation of structural heart disease in the presence of syncope (Class2b, 2017AHA/ACC/HRS guideline). If  syncope is suspected due to pulmonary thromboembolism,pulmonary CT angiography  is recommended.
Syncope CT
Guidewire Choice PT
Boerhaave syndrome CT
Syncope x ray
Air embolism CT
Farmer's lung CT
Altitude sickness CT
Syncope physical examination