Ovulation Peak Flow Meters Pregnancy Test Stethoscope Thermometer Urinary Infection Ventilation Scan General Information Material studied Lungs and surrounding tissues. Reliability of test results Good. Patient time for test 2-4 hours. Before the test Purpose of test Helps detect pulmonary embolism.
Helps evaluate respiratory function.
Identifies areas of the lung capable of ventilation. Commercial laboratory, hospital, doctor's office. Lab technician or doctor. Risks and precautions This X-ray procedure may be hazardous to an unborn child during pregnancy. The value of the information derived from the test must outweigh the risk.