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Unit 1 Test
CVT-246-01 - Non-Invasive Cardiology Special Topics
| Question | Answer |
|---|---|
| Which of the following can lead to a false negative stress echo? Lack of collateralization Less than a fifty percent stenosis Interpreted correctly Obtaining images within 60 seconds post stress | Less than a fifty percent stenosis |
| The anterior wall of the left ventricle is supplied by which coronary artery? Acute marginal Right coronary artery Left circumflex Left anterior descending | Left anterior descending |
| Which pharmacologic agent is used preferred for myocardial perfusion studies? | Persantine |
| What is the radioisotope that is primarily used in nuclear medicine stress tests? Visipaque Thallium Perfluten Gadolinium | Thallium |
| What type of contraindications can be performed if the benefit of the stress echo outweighs the risk? Relative Acute myocardial infarction Unstable angina Absolute | Relative |
| What is the total wall motion index if the patient has a normal stress echo? 16 2 1 17 | 1 |
| What score would a wall segment that becomes akinetic with stress receive according to the American Society of Echo's 17 segment model? 4 3 1 2 | 3 |
| What is the desired target heart rate? 85-90% of a patients normal heart rate 85-90% of a patients maximum heart rate 85-90% of a patients minimum heart rate None of the above | 85-90% of a patients maximum heart rate |
| When is a stress echo absolutely preferred over a nuclear medicine stress test? In patients that prefer no radiation In patients with multi-vessel coronary artery disease In patients that have baseline ECG abnormalities | In patients with multi-vessel coronary artery disease |
| Which of the following represents the correct sequence of events in the ischemic cascade? | Perfusion abnormality, diastolic dysfunction, regional wall motion abnormalities, ischemic ECG changes, angina |
| Which of the following is an absolute contraindication for stress echo? Stable angina Hypertrophic cardiomyopathy Left main coronary stenosis Episodes of ventricular tachycardia | Episodes of ventricular tachycardia |
| What view can be substituted for a parasternal long axis if needed during a stress echo? | Apical long axis An apical long axis is another name for the apical 3ch view. The apical long axis/3ch is just a PLAX turned upright so they can be used interchangeably during a stress echo if need be. |
| Which of the following is not an indication for stress echocardiography? Guiding post-MI rehabilitation Unstable angina Assessing states before and after intervention Screening for coronary artery disease | Unstable angina Unstable angina is a contraindication for stress echo. unstable angina is a contraindication for stress echo because it puts patients at a high risk for a cardiac event during the test.3 |
| Which of the following describes stress echocardiography? It is used in the study of acoustic properties of the myocardium It is the only way to test the hearts functional response to stress It is used in diagnosing ischemic heart disease All | It is used in diagnosing ischemic heart disease |
| What score would a wall segment that becomes hypokinetic with stress receive according to the American Society of Echo's 17 segment model? 2 3 1 4 | 2 |
| Which coronary artery is most likely abnormal if the inferoseptal wall is hypokinetic? | Right coronary |
| What is the target heart rate at 90% for a patient who is 60 years old? | 144 |
| An akinetic apical left ventricular wall is most consistent with a blockage in the: Left anterior descending Right coronary Acute marginal Left circumflex | Left anterior descending |
| Which of the following characteristics make for a positive stress echo diagnosis? Regional wall motion abnormality Bundle branch block Left ventricular hypertrophy Increase in overall EF | Regional wall motion abnormality |
| Which of the following is a common indicator for a stress echo? 2nd degree heart block Unstable angina MI within 48 hours Chest pain | Chest pain |
| A patient presents for a stress echocardiogram. What is the wall motion score index if the basal and mid inferolateral walls are hypokinetic immediately post exercise? 1.1 0.9 17 19 | 1.1 |
| Which of the following is an advantage of stress echo over other forms of cardiac testing? Provides immediate feedback More sensitive and specific All of the above No use of radioactive isotopes | All of the above |
| What drug would most likely be used to try to meet the target heart rate if it is not reached by the end of the fifth dose during a pharmacologic stress echo? | Atropine |
| What regional wall motion abnormality would you be looking for with an occluded left circumflex? | Inferolateral wall |
| What part of the cardiac cycle is being captured during a stress echocardiogram? Three beats during systole Three beats during diastole Single beat during systole Single beat during diastole | Single beat during systole |
| True or False: A regional wall motion abnormality may or may not be seen at rest. | True |
| What is the most common inotropic agent utilized to perform stress echoes? | Dobutamine |
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