Ocular Ultrasound

Eye Anatomy The eye is a fluid filled orb that allows us to see things, like ultrasound images and beautiful trees and stuff! Here’s the anatomy that is pertinent for eye ultrasound. Cornea The cornea is the transparent anterior portion of the eye that covers the iris, pupil, and anterior chamber. Anterior Chamber The anterior chamber is the aqueous humor-filled space between the iris and the cornea. Pupil The pupil is a black… Read More Ocular Ultrasound

Arterial Duplex/Doppler Sonography of the Upper Extremities

Duplex sonography of the extremities is a non-invasive and valuable tool in detecting diseases in the blood vessels of the arms and legs. This post will cover the basic evaluation of the upper and lower extremity arterial systems. Indications 1. DETECTION OF STENOSIS OR OCCLUSIONS IN SEGMENTS OF THE PERIPHERAL ARTERIES. 2. MONITORING OF SITES… Read More Arterial Duplex/Doppler Sonography of the Upper Extremities

Umbilical Artery Doppler

Umbilical Artery Doppler Study Umbilical artery Dopplers are monitored for a variety of reasons in MFM.  This is typically a part of a fetal well being assessment.  We use the umbilical artery Doppler in the 2nd and 3rd trimester for growth restriction which helps us to determine placental insufficiency.  According to Radiopeadia, “Umbilical artery Doppler… Read More Umbilical Artery Doppler

Nutcracker Phenomenon/Syndrome

Nutcracker syndrome is a vascular compression disorder. The left renal vein courses in between the Aorta and Superior Mesenteric Artery(SMA). If the descent of the SMA is to steep and the aorto-mesenteric angle to acute (normal angle is 38–65°) this could lead to left renal vein compression and Nutcracker syndrome/phenomenon. The difference between Nutcracker syndrome… Read More Nutcracker Phenomenon/Syndrome