<prompt> Minimal Ascites can be best detected by -USGPlain X-ray abdomenMRICT Scan  <response>: Ans. is a i.e. . USG . For clinical detection of ascites, a minimal amount of 500 ml of peritoneal fluid is required. Lesser amounts can be easily detected on USG IOC for minimal ascites -USG IOC for minimal Pleural Effusion-USG 