*LUNG IMAGING INTERPRETATION* 1.PERFUSION DEFECT-ACUTE PULMONARY THROMBOEMBOLISM -ATELECTASIS-POSTOPERATIVE -BRONCHITIS ACUTE/CHRONIC -BRONCHITIS CARCINOMA -BULLAE, CYSTS -EMPHYSEMA -PLEURAL EFFUSION -PNEUMONIA -PREVIOUS PULMONARY THROMBOEMBOLISM 2.UNILATERAL DECREASED PERFUSION -BRONCHOGENIC CARCINOMA 3.MOTTLED PERFUSION SCAN -CONGESTIVE HEART FAILURE -COLLAGEN VASCULAR DISEASE -EMBOLI (AIR, AMNIOTIC FLUID, FAT, OIL, TUMOR) -HEMANGIOENDOTHELIOMATOSIS -INTRAVENOUS DRUG ABUSE -INSUFFICIENT NUMBER OF PARTICLES -METASTASES -PNEUMONIA -PRIMARY PULMONARY HYPERTENSION. -TUBERCULOSIS 4.HOT SPOTS -FAULTY INJECTION TECHNIQUE 5.LIVER VISUALIZATION ON PERFUSION SCAN -INFERIOR OR SUPERIOR VENA CAVA OBSTRUCTION 6.FOCAL RETENTION IN XENON -BRONCHIAL ASTHMA -CHRONIC BRONCHITIS -EMPHYSEMA -SMOKE INHALATION 7.XENON RETENTION IN THE LIVER -ALCOHOLIC LIVER DISEASE -DIABETES MELLITUS -OBESITY 8.XENON UPTAKE IN SKELETON -STEROID THERAPY (INCREASED FAT IN MARROW) 9.VENTILATION-PERFUSION MISMATCH -ACUTE PULMONARY THROMBOEMBOLISM -BRONCHOGENIC CARCINOMA -PREVIOUS PULMONARY EMBOLISM -PREVIOUS RADIATION THERAPY. 10.REVERSE VENTILATION-PERFUSION MISMATCH -ATELECTASIS IN PATIENT ON POSITIVE PRESSURE MECHANICAL VENTILATION. -METABOLIC ALKALOSIS -PULMONARY HYPERTENSION. * RESPIRATORY-USEFUL TIPS * *RESPIRATORY CLINICAL APPLICATIONS* * RESPIRATORY SYSTEM* |