HISTORICAL ASPECT OF CONTRAST MEDIA

IN 1896, LEAD SUBACETATE WAS USED TO STUDY THE DIESTIVE SYESTEM OF GUINEA PIG BY WALTER CANNON

BISMUTH SUBNITRATE IS USED IN STUDYING THE DIGESTIVE SYSTEM BY WALTER CANNON

IN 1918, WALLER DANDY INJECTED AIR TO STUDY THE CEREBRAL VENTRICLER OF CH8ILDREN WITH HYDROCEPHALUS

IN 1927, EDAR MONIZ INTRODUCED WATER SOLUBLE IODINATED CONTRAST MEDIA

IN 1930, ATOMS WITH HIGH ATOMIC NUMBERS SUCH AS IODINE COULD BE PLACED ON NON TOXIC WATER SOUBLE CARRIER MOLLECULES

CONTRAST MEDIA IS A CHEMICAL SUBSTANCE OR AGENT USED TO ENHANCE THE APPEARANCE OR VISIBLITY OF ORGAN

SINGLE CONTRAST STUDY INVOLVES THE INTRODUCTION OF ONE CONTRAST MEDIA, DIRECTLY TO THE LUMEN OF THE ORGAN