NHA CET practice flashcard

Front

What is the length of time represented by the smallest boxes on EKG graph paper?

Back

0.04 seconds

Front

Where should the V6 electrode be placed on a 4-year-old patient during a standard 12-lead EKG?

Back

Left midaxillary line

Front

What should an EKG technician do when arriving to perform a 12-lead EKG on a patient already attached to a 5-lead monitor?

Back

Remove the electrodes for the 5-lead monitor before attaching the electrodes for the 12-lead EKG.

Front

What EKG machine function controls the height of EKG waveforms on the tracing?

Back

Gain

Front

What should you do after performing a 12-lead EKG on a patient?

Back

Check that the tracing is free from artifacts and then disconnect the patient from the machine.

Front

What is the purpose of the EKG gain setting?

Back

To adjust the amplitude of the EKG waveforms for better visibility.

Front

What does a standard 12-lead EKG measure?

Back

The electrical activity of the heart from multiple angles.

Front

What is the significance of the V1 electrode placement?

Back

It is placed in the fourth intercostal space at the right sternal border to monitor the right side of the heart.

Front

What is the role of the EKG technician?

Back

To perform EKG tests and ensure accurate readings for diagnosis.

Front

What does the term 'artifact' refer to in EKG readings?

Back

Unwanted interference that can distort the EKG tracing.