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Clinical Review Quiz

Cardiac Stress Testing for Diagnosis
of Coronary Artery Disease


Robert Carlisle, MD, MPH

Dr. Carlisle is an interim residency program director, Department of Family Medicine, West Virginia University, Morgantown, WV.



The questions below are based on the article
“Cardiac Stress Testing for Diagnosis of Coronary Artery Disease in Adults with Acute Chest Pain”.


Choose the single best answer for each question.


1. A 40-year-old man presents to the outpatient setting for an annual physical examination. He has no symptoms of coronary artery disease (CAD). Evaluation does not reveal hypertension, obesity, peripheral vascular disease, a history of smoking, or a family history of early CAD. His blood glucose and cholesterol levels are unknown. Which of the following is the most appropriate approach to address his potential for CAD?
  1. Computed tomography (CT) coronary artery calcium scoring or CT angiography
  2. Exercise stress electrocardiogram testing
  3. No testing but primary prevention with the combination medication dipyridamole-aspirin
  4. Pharmacologic cardiac stress testing with imaging
  5. Risk stratification for CAD and optimal management of CAD risk factors
Click here to compare your answer.


2. A 47-year-old woman complains of a 2-month history of burning-like substernal chest pain that occurs when lying flat after eating fatty meals or smoking. She and her husband are concerned about her heart health. She smokes cigarettes, has a body mass index of 28 kg/m2, and has a brother who had a myocardial infarction at age 55 years. She does not have hypertension, hyperlipidemia, diabetes mellitus, or peripheral vascular disease. Which of the following best determines this patient’s pretest probability of CAD prior to consideration of cardiac stress testing?

  1. Active use of hormone replacement therapy
  2. Age, gender, and location of chest pain
  3. Brachial artery reactivity
  4. Coronary artery calcium score < 100
  5. C-reactive protein level
Click here to compare your answer.


3. For which of the following patients would coronary artery calcium scoring hypothetically be of benefit in risk stratification of CAD?

  1. A 40-year-old man with no symptoms of angina and a Framingham risk estimate for CAD less than 2% in the next 10 years
  2. A 45-year-old man with atypical angina at intermediate risk for CAD who has an indeterminate stress test imaging result and is fearful of interventions
  3. A 47-year-old woman with chest pain at low risk for CAD by age, gender, and description of symptoms
  4. A 55-year-old man with a high Duke treadmill posttest probability for CAD
  5. An 85-year-old woman with unstable angina
Click here to compare your answer.


4. A 64-year-old woman with severely advanced chronic obstructive pulmonary disease (COPD) and recent intubation for respiratory failure complains of a 72-hour history of intermittent chest pain not associated with exertion. In the emergency department, her pretest probability for CAD is intermediate by multiple stratification methods. Which of the following is true regarding her intermediate risk status?
  1. Compared with those at high and low risk for CAD, she will benefit less from stress testing
  2. Coronary artery angiography is warranted if stress testing is normal
  3. Further testing is warranted regardless of her interest in percutaneous intervention or bypass surgery
  4. Stress echocardiogram is deemed cost-effective by usual medical economic analysis
Click here to compare your answer.


5. Which of the following is a contraindication to the use of adenosine myocardial perfusion imaging?

  1. Aortic valve stenosis
  2. Electrocardiogram findings consistent with Wolff-Parkinson-White preexcitation syndrome
  3. Pacemaker-dependent cardiac rhythm
  4. Severe COPD
Click here to compare your answer.


 

Click here to read more about Cardiac Stress Testing for Diagnosis of Coronary Artery Disease in Adults with Acute Chest Pain
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