Magnetic resonance pulmonary angiography should be considered in the setting of a pulmonary embolism only at centers that routinely perform it well and only for patients for whom standard tests are contraindicated.  MRA has a sensitivity and specificity of a range of 75-100% and 95-100%, respectively.
Pulmonary embolism MRI
Pulmonary embolism echocardiography
Pulmonary embolism compression ultrasonography
Chest pain MRI
Air embolism MRI
Pulmonary embolism CT
Lung mass echocardiography and ultrasound
Pericardial effusion physical examination