ACSM-EP Clinical Exercise Testing 4

Question 1

Which patient population most benefits from a ramp protocol during graded exercise testing compared to traditional staged protocols?

Accepted Answer

Deconditioned patients with cardiovascular disease

Answer

Ramp protocols allow continuous, gradual workload increases that can be individually tailored, making them ideal for deconditioned or cardiac patients who may not tolerate large stage jumps.

Question 2

During an exercise test, the patient develops new-onset left bundle branch block (LBBB). The appropriate action is to:

Accepted Answer

Terminate the test immediately

Answer

New exercise-induced LBBB is an absolute indication to stop the test because it can mask ischemic ST changes and may indicate serious conduction system disease.

Question 3

Oxygen pulse during a maximal GXT is defined as:

Accepted Answer

VO2 divided by heart rate

Answer

Oxygen pulse = VO2 / HR, and it is an indirect estimate of stroke volume × oxygen extraction per beat.

Question 4

A 55-year-old man has a resting ECG showing left ventricular hypertrophy with repolarization changes. How does this affect ST-segment interpretation during exercise?

Accepted Answer

Baseline repolarization abnormalities make exercise ST changes uninterpretable for ischemia

Answer

Pre-existing repolarization abnormalities (including LVH strain pattern) invalidate ST-segment analysis for ischemia detection during exercise ECG testing.

Question 5

Which gas exchange variable is used to determine the ventilatory equivalent for CO2 (VE/VCO2) and why is it clinically significant?

Accepted Answer

It reflects ventilatory efficiency and is elevated in heart failure and pulmonary hypertension

Answer

VE/VCO2 slope reflects ventilatory efficiency; values >34 are prognostically significant in heart failure and pulmonary arterial hypertension.

ACSM Practice Test

ACSM Practice Test

ACSM-EP Clinical Exercise Testing 4