Relative contraindications to exercise testing can be superseded if benefits outweigh risks of exercise. In some instances, these individuals can be exercised with caution and/or using low-level endpoints, especially if they are asymptomatic at rest. Which of the following is a relative contraindication to exercise testing?
a. A recent significant change in the resting ECG suggesting significant ischemia
b. Unstable angina
c. Hypertrophic cardiomyopathy
d. Recent myocardial infarction (within 2 d)
Answer: C