During the test, the following temporary sensations are normal: Digital subtraction pulmonary angiography is an X-ray image ... vessels Pulmonary embolism (blood clot in the lungs) Narrowed ...

Pulmonary embolism occurs when an embolus breaks away from a thrombus and blocks the pulmonary artery, generating symptoms that include shortness of breath, chest pain, fainting and haemoptysis.

a study focusing on CT fluoroscopy-guided lung biopsies using noncoaxial automatic needles found that needle penetration of the pulmonary vein was a significant risk factor for air embolism ...