EKG Certification Review #2

Front

If the standard speed of 25mm/sec and amplitude of 10mm/mV is increased to 50mm/sec due to tachycardia, what will happen to the waveform?

Back

Waveforms are more spaced out and visible

Front

When preparing a patient for an EKG, all of the following must be avoided or removed except? Cell phone in pocket, Use of lotions and oils, Nail polish, Jewelry

Back

Nail polish

Front

What is the preferred position for a 12-lead EKG? Options: semi-fowlers, supported supine without pillow, prone, standing

Back

supported supine without pillow

Front

What is the normal placement for precordial lead V5?

Back

5th intercostal space, anterior axillary line

Front

When viewing Lead I complexes, if all leads are properly attached, should the complexes have a positive or negative deflection?

Back

positive deflection

Front

This is an example of what kind of artifact?
Options: interrupted baseline, wandering baseline, somatic tremor, AC interference

Back

AC interference

Front

This is an example of what kind of artifact?

Back

wandering baseline

Front

This is an example of what kind of artifact? AC interference , wandering baseline, somatic tremor, interrupted baseline

Back

somatic tremor

Front

In stress testing or ambulatory monitoring, what purpose does the green lead serve?

Back

It's a ground and helps reduce artifacts

Front

What is the target heart rate of a 36-year old using the formula: (220-age) X 0.85?

Back

156