Forensics: Ink Chromatography Lab 2015. Background: Chromatography is a method for analyzing mixtures by separating them into the. chemicals from which they are made. It can be used to separate mixtures like ink, blood, gasoline, and lipstick. In ink chromatography, you are separating the colored pigments that. make up the color of the pen.
Imaging diagnosis: Vascular loop syndrome with 7th - 8th CN Compression, Hemifacial spasm. Vascular loop syndrome Abnormal anatomical variation or course of vessel causing symptomatic compression over cranial nerves at IAC or Cp Angle cistern. Spasmodic hyperfunction of nerve due to compression.
Otolaryngologist will frequently order an MRI of the brain or internal auditory canal for a patient with hearing loss, dizziness, tinnitus (ear ringing) or facial weakness. Vascular loops are commonly identified on these images.here are studies that suggest people with pulsatile tinnitus (ringing in ears that correlates with your heart beat) are more likely to have vascular loops, however many people with vascular loops are asymptomatic. There doesnât seem to be any association between vascular loops and hearing loss.