ECG Holter Monitoring and Ambulatory ECG

Question 1

What is the typical recording duration of a standard Holter monitor?

Accepted Answer

24 to 48 hours

Answer

6 to 12 hours

Answer

72 to 96 hours

Answer

7 to 14 days

Question 2

Which lead configuration is most commonly used in a standard 2-channel Holter monitor to maximize arrhythmia and ischemia detection?

Accepted Answer

Modified V1 and V5

Answer

Standard leads I and II

Answer

aVR and aVL

Answer

V2 and V6

Question 3

What is the primary purpose of a patient activity diary during Holter monitoring?

Accepted Answer

To correlate reported symptoms with corresponding ECG rhythm changes

Answer

To record hourly blood pressure readings

Answer

To track only medication dosing times

Answer

To document total sleep duration

Question 4

Which patient activity should be specifically avoided during standard Holter monitoring?

Accepted Answer

Showering or immersing in water

Answer

Walking or mild exercise

Answer

Sleeping on their side

Answer

Consuming caffeine

Question 5

What does the term 'ambulatory' mean in the context of ambulatory ECG monitoring?

Accepted Answer

The patient can move around freely and perform normal activities during the recording

Answer

The patient is monitored only during emergency transport

Answer

Monitoring occurs exclusively during structured walking exercises

Answer

The ECG is analyzed remotely by a physician in real time

Question 6

After applying a Holter monitor, which step should be completed before the patient leaves the office?

Accepted Answer

Review a sample ECG tracing to confirm all leads have adequate signal quality

Answer

Have the patient perform a 10-minute treadmill walk

Answer

Apply a simultaneous 12-lead ECG for comparison

Answer

Measure the patient's blood pressure in both arms

Question 7

What information should be documented at the START of a Holter monitor recording?

Accepted Answer

Date, time, patient identification, and electrode placement sites

Answer

Patient height and weight only

Answer

Only the patient's chief complaint in their own words

Answer

The physician's preliminary interpretation of the baseline rhythm