- ICG Test Medical
- ICG Test Liver
- ICG Test Lymphedema
- ICG Test Eye
- ICG Test Blood
- ICG Mock Test Series
ICG Test Medical Overview
The Indocyanine Green (ICG) test is a diagnostic method that uses the dye indocyanine green to assess organ function, circulation, and blood flow. After intravenous injection, ICG binds to plasma proteins and can be measured using near-infrared spectrophotometry or imaging devices. It is non-radioactive, relatively safe, and widely used across multiple medical specialties.
ICG Test for Liver Function
The ICG test is a gold standard method for evaluating hepatic function, especially before liver surgery or transplantation. The test measures the clearance rate of ICG from the bloodstream, as it is exclusively removed by the liver without undergoing metabolism.
- ICG Retention Rate at 15 Minutes (ICG-R15): Percentage of dye remaining in the blood after 15 minutes, commonly used to predict surgical risk.
- Applications: Cirrhosis assessment, pre-hepatectomy evaluation, transplant suitability.
- Normal Range: ICG-R15 < 10% (good liver function).
ICG Test for Lymphedema
ICG lymphography is used to assess lymphatic drainage pathways in patients with suspected or established lymphedema. After subcutaneous injection of ICG, near-infrared cameras track the dye through lymphatic vessels.
- Helps in diagnosing early lymphedema.
- Guides surgical planning such as lymphovenous bypass or vascularized lymph node transfer.
- Provides real-time dynamic imaging of lymphatic flow.
ICG Test for Eye Conditions
ICG angiography is a specialized ophthalmic test that visualizes the blood vessels in the choroid (beneath the retina). It is often used alongside fluorescein angiography.
- Applications: Detecting choroidal neovascularization, polypoidal choroidal vasculopathy, central serous chorioretinopathy.
- Procedure: ICG injected IV → near-infrared cameras capture choroidal circulation images.
ICG Blood Test
The ICG blood test is a pharmacokinetic study of dye concentration over time. Blood samples are drawn at fixed intervals to measure ICG clearance. This test provides insights into liver perfusion, cardiac output, and vascular health.
Because ICG is protein-bound and excreted only by the liver, its clearance is a sensitive marker of hepatic function and circulation.
ICG Mock Test Series
In addition to clinical use, "ICG test" may also refer to academic mock tests for competitive exams, such as Coast Guard (ICG) recruitment exams. These ICG mock test series are practice sets designed for candidates preparing for Indian Coast Guard written and GD (group discussion) exams.
- Online practice tests simulate real exam environment.
- Cover reasoning, quantitative aptitude, general knowledge, and English.
- Help identify weak areas and improve time management.
0 Comments