EKG certification Certification EKG Stress Testing & Holter Monitoring 3

Question 1

What minimum duration is standard for a conventional Holter monitor recording to capture intermittent arrhythmias?

Accepted Answer

24 hours

Answer

8 hours

Answer

48 hours

Answer

72 hours

Question 2

Which EKG lead placement configuration is most commonly used in a standard Holter monitor setup?

Accepted Answer

Modified 5-lead or 7-lead chest configuration

Answer

Standard 12-lead limb placement

Answer

Single-lead rhythm strip

Answer

15-lead augmented configuration

Question 3

During a Bruce Protocol stress test, what happens at each successive stage?

Accepted Answer

Both treadmill speed and incline increase

Answer

Only treadmill speed increases

Answer

Only treadmill incline increases

Answer

Speed increases while incline decreases

Question 4

A patient's stress test EKG shows 2 mm horizontal ST depression in leads V4-V6 at peak exercise. What does this finding most likely indicate?

Accepted Answer

Significant myocardial ischemia in the lateral wall

Answer

Normal physiologic response to exercise

Answer

Right ventricular hypertrophy

Answer

Electrolyte imbalance from sweating

Question 5

What is the primary advantage of an event monitor over a standard 24-hour Holter monitor?

Accepted Answer

It can record over weeks to capture infrequent symptoms

Answer

It provides continuous 12-lead monitoring

Answer

It automatically delivers therapy for detected arrhythmias

Answer

It measures cardiac output during recording

Question 6

What is the significance of a drop in systolic blood pressure greater than 10 mmHg during an exercise stress test despite increasing workload?

Accepted Answer

It suggests severe coronary artery disease or left ventricular dysfunction

Answer

It is a normal response to prolonged exercise

Answer

It indicates the patient has reached maximum aerobic capacity

Answer

It reflects medication effects and is not clinically relevant