2024年10月17日 · Dacryocystography (DCG) is a fluoroscopic contrast examination of the nasolacrimal apparatus. The nasolacrimal duct is cannulated enabling iodinated contrast to be …

2022年1月18日 · Dacryocystography (DCG) Test: How Do You Test For Nasolacrimal Duct Blockage? Why is Dacryocystography Important for Examination of the Nasolacrimal Apparatu...

2024年2月23日 · 文章介绍了DCG（双转换增益）传感器技术，如何通过结合高转换增益和大容量全阱，实现宽动态范围和高信噪比，尤其在处理极端光照条件时。 通过调整CG与FW的关 …

Dacryocystography (DCG) allows visualization of anatomic details of the internal lumen of the entire lacrimal drainage system using a low-viscosity radiopaque contrast agent. A cannula …

2019年7月1日 · CT-DCG involves use of contrast media (lipiodal, iohexol, omnipaque) either in topical form or injection via inferior (or superior) canaliculus followed by axial and coronal …

CT-DCG provides useful information in complex orbitofacial trauma and lacrimal tumors. MR-DCG allows better 3D visualization of the LDS and dynamic functional evaluation. Sensitivity of CT …

2023年9月22日 · Magnetic resonance dacryocystography (MR-DCG) was introduced in 1993 as an alternative to computed tomography (CT)-DCG, offering better anatomical delineation and …

2023年7月2日 · Dacrocystography is the radiolological examination to help the study of nasolacrimal system by the injection of contrast media through cannaliculi of the eyelid.

2020年5月28日 · Among them, DCG has been most widely used for intuitive visualisation of the lacrimal drainage process and for the identification of lacrimal pathway obstructions. Digital …

动态心电图（dcg）是通过动态心电图仪在患者日常生活状态下连续24小时或更长时间记录其心电活动的全过程，并借助计算机进行分析处理，以发现在常规体表心电图检查时不易发现的心律 …