CCT Ambulatory (Holter) Monitoring 2

Question 1

A patient wearing a Holter monitor reports palpitations at 2:15 PM. What is the most important action by the technician?

Accepted Answer

Instruct the patient to press the event marker button

Answer

Remove the monitor immediately

Answer

Call 911 for the patient

Answer

Increase the recording speed

Question 2

Which electrode placement is used for the CM5 lead in Holter monitoring?

Accepted Answer

Positive electrode at V5 position, negative at manubrium

Answer

Positive electrode at V1, negative at left arm

Answer

Positive electrode at right leg, negative at left leg

Answer

Positive electrode at manubrium, negative at V5

Question 3

During Holter monitor hookup, a technician notices the patient has a hairy chest. What is the best approach?

Accepted Answer

Shave only the small areas where electrodes will be placed

Answer

Apply electrodes over the hair without preparation

Answer

Cancel the test until the patient shaves

Answer

Apply extra adhesive tape over the electrodes

Question 4

A 24-hour Holter recording reveals 847 premature ventricular contractions (PVCs). Which characteristic would make this finding most concerning?

Accepted Answer

PVCs occurring in runs of 3 or more (non-sustained VT)

Answer

PVCs that are unifocal in morphology

Answer

PVCs occurring during physical activity

Answer

PVCs with a rate of less than 10 per hour

Question 5

Which statement best describes the difference between a 24-hour Holter monitor and an event monitor?

Accepted Answer

A Holter records continuously for 24-48 hours; an event monitor records only when activated or triggered

Answer

A Holter records only symptomatic episodes; an event monitor records continuously

Answer

A Holter is worn externally; an event monitor is implanted

Answer

A Holter uses 12 leads; an event monitor uses only 1 lead

Question 6

When reviewing a Holter report, the technician sees the notation 'SVE.' What does this abbreviation represent?

Accepted Answer

Supraventricular ectopic beat (premature atrial contraction)

Answer

Severe ventricular event

Answer

Sinus ventricular escape

Answer

Subendocardial vascular event