Which of the following statements is not accurate?

A) Placing V1 and V2 one intercostal space too high may make it appear that the patient had a previous myocardial infarction.
B) Standardization serves as quality assurance that the machine is working properly.
C) It is okay to use leads from a different manufacturer if you have run out of leads for the unit you are using.
D) The amplitude of the waves may be adjusted for abnormally large or abnormally small beat by changing the sensitivity or gain setting.


C

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