For cows, he typically uses a 16-gauge needle, unless drawing blood or administering IV fluids, in which he might use a slightly larger diameter needle. For young calves, he prefers an 18-gauge needle ...
two 18-gauge needles were gently passed through the lamina of the left S2 and entered the left Tarlov cyst. A small amount of fluid was aspirated and 0.5cc 1% lidocaine was injected. After lidocaine ...
Our next step was to access the aneurysmal sac directly, using an 18-gauge needle under CT guidance. CT scans with and without contrast were obtained (Figures 1B and C). Direct access was established ...
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