EKG Technician Roles and Responsibilities Flashcards
7 cards from real CET practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
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What is the correct lead placement site for the V1 electrode in a standard 12-lead EKG?
Answer: 4th intercostal space, right sternal border
V1 is placed at the fourth intercostal space along the right sternal border, a standard landmark for accurate precordial lead placement.
Which document guides an EKG technician's daily scope of practice and professional conduct?
Answer: State practice act and the employer's policies and procedures
The state practice act establishes legal scope, while employer policies operationalize those standards in the specific workplace setting.
During a 12-lead EKG, a technician observes that lead II shows a flat line while other leads appear normal. The most likely cause is:
Answer: A detached or faulty RA or LL electrode
Lead II is the voltage difference between RA and LL; a flat line in one lead with others intact indicates an electrode connection problem, not a cardiac event.
Which of the following tasks is OUTSIDE the scope of practice for a certified EKG technician?
Answer: Diagnosing atrial fibrillation from the rhythm strip
Diagnosing cardiac arrhythmias is a clinical interpretation task reserved for physicians and, in some settings, advanced practice providers.
What is the purpose of the standardization mark (calibration pulse) on an EKG tracing?
Answer: To confirm that 1 mV of input produces a 10 mm deflection
The calibration pulse verifies that the machine is correctly calibrated so that 1 millivolt of electrical signal produces exactly 10 mm of waveform deflection.
An EKG technician is asked to perform a test on a patient who speaks no English. The best approach is to:
Answer: Use a qualified interpreter or translation service to obtain informed cooperation
Using a qualified interpreter ensures accurate communication, informed cooperation, and compliance with language access laws in healthcare settings.
Which action best demonstrates an EKG technician's commitment to patient dignity?
Answer: Exposing only the necessary areas and draping the patient appropriately
Appropriate draping and minimizing unnecessary exposure demonstrates respect for the patient's privacy and dignity during the procedure.