Swapnil Shetty

radiology radiation principles physical principles physics ultrasound physics diffraction angle of incidence acoustic impedance absorption scatter refraction reflection matter usg ultrasound renal reaction reactions toxicity contrast physiology omnipaque ultravist urovist angiografin barium iodine administration safety aspect safety contrast contrast induced nephropathy contrast media radiological procedure radi ct mri x-ray radiographic appearance radiography coccyx sacral sacrum lumbar thoracic cervical spine anatomy pathology vertebral column column vertebral vertebra hsg hysterosalpingography radiological procedure