Wiki Incision and drainage, no drainage

Don't have the original procedure note that I was referring to in this question, but just came across this one:

Patient was verbally consented for procedure and then the upper area was anesthetized with ethyl chloride. A 20-guage needle was used to aspirate fluid, however none was obtained. She tolerated the procedure well.

(performed in ED) I know this one is a needle aspiration, but same concept...
 
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