Final answer:
The first step in a myringotomy is the incision of the tympanic membrane, which allows the surgeon to drain the middle ear fluid and relieve pressure.
Step-by-step explanation:
The first step performed during a myringotomy, a surgical procedure to relieve pressure caused by the excessive buildup of fluid in the middle ear, is B. incision of the tympanic membrane. This allows the surgeon to access the middle ear and subsequently suction out the fluid (C. suctioning of fluid from the middle ear). Once the fluid is removed and the pressure is relieved, a drainage tube may be inserted (A. insertion of a drainage tube) to promote continuous drainage and prevent fluid accumulation. Lastly, if necessary, cerumen or earwax may be removed from the ear canal (D. removal of cerumen from the ear canal), but this is not the initial step of the procedure.
When performing a myringotomy, the B. incision of the tympanic membrane is done first. A myringotomy is a surgical procedure to relieve pressure or drain fluid from the middle ear. During the procedure, a small incision is made in the tympanic membrane (eardrum) to allow the fluid to drain and relieve pressure. The incision is typically made using a small knife or laser.