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50 Cards in this Set
- Front
- Back
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Which of the following is NOT a reason for exercise testing soon after a patient has suffered a myocardial infarction?
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to evaluate atypical angina |
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What may be one of the single best prognostic markers in all individuals regardless of health status?
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aerobic capacity |
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Which of the following is the most commonly used treadmill test protocol?
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BRUCE? |
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Which of the following should NOT be discussed with a patient regarding a return to work after a cardiac event?
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Establishing early that the patient likely will not return to his or her previous occupation
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Which of the following is an ABSOLUTE contraindication for exercise testing? ??
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Technical difficulties monitoring the ECG or systolic blood pressure ??? |
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What percentage of individuals who are asymptomatic for cardiovascular disease actually have angiographic evidence of disease? |
less than 10 % |
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What is the general guideline for submaximal exercise testing of patients before discharge after acute MI?
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4-6 days |
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Exercise electrocardiography for diagnostic purposes is less accurate in women largely because of a greater number of |
false positive responses |
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The magnitude of ischemia caused by a coronary lesion generally is proportional to
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the degree of ST-segment depression on the electrocardiogram?? |
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Which of the following does NOT need to be monitored continuously during a clinical graded exercise test? |
BP |
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At what interval should blood pressure be monitored during a graded exercise test? |
During the last 45 s of each stage?? |
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Which of the following modes of exercise is appropriate for paraplegic patients? |
arm cycle |
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Although important in some patient populations, which of the following is the least likely to be measured or monitored? |
Expired gases?? |
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What percentage of patients suffering from a cardiac event fails to return to work?
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25%?? |
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A truly positive exercise test requires a hemodynamically significant coronary lesion |
>75% stenosis |
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What is the pretest likelihood that a male aged 40 yr with typical angina pectoris has atherosclerotic cardiovascular disease? |
HIGH? |
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Which of the following is NOT an advantage of using the ramp protocol for treadmill exercise testing?
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noo-- Protocol cannot be individualized???
no--Uniform increase in hemodynamic and physiologic responses??? noo- More accurate estimates of exercise capacity and ventilatory threshold last answer Avoidance of large and unequal increments in workload ??? |
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At what interval should heart rate be monitored during a graded exercise test? |
Continuously but recorded during the last 5 s of each minute |
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Which of the following is a RELATIVE contraindication for exercise testing? |
Fatigue, shortness of breath, wheezing, leg cramps, or claudication??
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An adverse prognosis in the postmyocardial infarction patient includes |
an ischemic ST-segment depression at a low level of exercise???? |
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At what interval should signs and symptoms be monitored during a graded exercise test? |
Signs and symptoms should be monitored continuously and recorded as observed. |
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What is the most common exercise testing mode in the United States?
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treadmill?? |
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Under which of the following conditions is it not necessary to have a physician directly supervise an exercise test of a patient? |
Patients undergoing symptom-limited testing following recent acute events (i.e., acute coronary syndrome or MI |
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What is the pretest likelihood that a female aged 35 yr with nonanginal chest pain has atherosclerotic cardiovascular disease? |
very low?? |
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Because of the smaller muscle mass used during arm ergometry, what percentage of maximal oxygen consumption when compared to treadmill testing can be expected?
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20%-30% lower???
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A delayed decrease in heart rate early in recovery after a symptom-limited maximal exercise test (e.g., <12 beats min-1 decrease after the first minute in recovery) is a powerful predictor of
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overall mortality
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All of the following are known to influence clinical exercise test data with the exception of
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elevated levels of physical fitness
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Although QRS duration tends to decrease slightly with exercise (and increasing HR) in healthy people, it may increase in
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patients with acute myocardial infarction
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At what point is depression of the J point measured on the electrocardiogram?
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120ms |
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Bayes' theorem states that the posttest probability of having disease is determined by the disease probability ________ the test and the probability that the test will provide a true result.
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before |
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Exercise testing for an individual with which of the following conditions is NOT generally used for diagnostic purposes?
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Atypical chest pain
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Exercise-induced myocardial ischemia may cause left ventricular dysfunction, exercise intolerance, and a ___________ blood pressure response.
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hypertensive
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Exertional hypotension can be defined as failure of the
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heart rate to fall
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In patients on vasodilators, calcium channel blockers, angiotensin-converting enzyme inhibitors, and ?- and ?-adrenergic blockers, the blood pressure response to exercise is
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always increased in these types of patients
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In patients with left bundle-branch block,
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ST-segment abnormalities that develop during exercise are uninterpretable with respect to evidence of myocardial ischemia
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Interindividual variability for predicting maximal heart rate from age is
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20 beats min-1
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The inability to appropriately increase heart rate during exercise is known as
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chronotropic incompetence
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The normal blood pressure response to dynamic upright exercise consists of a progressive increase in
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systolic blood pressure
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The normal electrocardiographic response to exercise includes which of the following?
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Widening of the QRS duration
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The rate pressure product is calculated by
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SBP × HR
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The standard minimum criterion for a positive exercise test is
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>1.0 mm (0.1 mV) of horizontal or downsloping ST segment at the J point extending for 60-80 ms
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What is the definition of ventricular tachycardia?
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>3 PVCs in succession
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What is the most accurate and objective noninvasive indicator of subject effort during a graded exercise stress test, peak?
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respiratory exchange ratio
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Which of the following is NOT a hemodynamic response to clinical exercise testing?
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Gas exchange and ventilatory responses
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Which of the following is the most important criterion for terminating a clinical exercise test?
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Good judgment on the part of the physician and/or supervising staf
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Which of the following is an abnormal electrocardiographic response to exercise?
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Depression of the ST segment
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Which of the following statements is FALSE regarding the ST segment on a resting electrocardiogram?
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Exercise-induced ST-segment elevation in leads with Q waves consistent with a prior myocardial infarction may be indicative of wall motion abnormalities, ischemia, or both
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Which of the following is an example of a supraventricular arrhythmia?
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Premature atrial contraction
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Which of the following is the definition of "predictive value"?
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A measure of how accurately a test result (positive or negative) correctly identifies the presence or absence of CVD in tested patients
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Which of the following electrocardiogram changes are known to affect test interpretation of ischemic coronary artery disease?
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Three premature atrial contractions in 1 min
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