Atrithaker2

eye diagnosis procedure non ionic contrast media iohexol punctum dilator canalicular obstruction fichronic dacrocystitis lacrimal canal nasolacrimal appratus eye related radiology process lacrimal puncta lacrimal sac lacrimal fluid anatomy nasolacrimal glands diverticula dacrolith fistula epiphoria dacrocystography obstruction in lacrimal gland stenosis of lacrimal gland malrotation paralytic ilius gastro oesophageal reflux hiatus hernia tracheo oesophageal fistula pharyngeal web achalasia cardia mechoyl test siphone test esophageal varices double contrast study single contrast study barium study radiology department gastrograffin oral contrast study barium sulphate contrastmedia barium meal follow through barium swallow barium meal