9

Chapter 9


Questions



  1. 161. Diagnostic sensitivity of stress echocardiography is higher with:

    1. A. One-vessel disease
    2. B. Two-vessel disease
    3. C. Three-vessel disease
    4. D. Sensitivity is not affected by number of vessels involved

  2. 162. False-positive rate for stress echocardiography is high for which group of patients:

    1. A. Low probability of coronary artery disease (CAD)
    2. B. Intermediate probability of CAD
    3. C. High probability of CAD
    4. D. Independent of CAD

  3. 163. Negative predictive value of stress echo is lowest in this group of patients:

    1. A. Low probability of CAD
    2. B. Intermediate probability of CAD
    3. C. High probability of CAD
    4. D. Independent of CAD

  4. 164. False-positive wall motion abnormalities are most commonly seen in which of the following myocardial segments?

    1. A. Posterior basal wall
    2. B. Anterior septum
    3. C. Lateral wall
    4. D. Apex

  5. 165. The most common normal response of left ventricular (LV) end systolic size during exercise is:

    1. A. Reduction
    2. B. Increase
    3. C. Variable response
    4. D. No change

  6. 166. An increase in LV end systolic volume during stress may occur in all of the situations except:

    1. A. Multivessel CAD
    2. B. Left main CAD
    3. C. Hypertensive blood pressure response
    4. D. Left ventricular hypertrophy

  7. 167. A 53-year-old patient is undergoing dobutamine stress echocardiography (DSE). At 20 µg dose, the blood pressure drops from 140/80 mmHg to 80/50 mmHg associated with severe nausea, and the heart rate dropped from 110/min to 60/min. The most likely cause of this response is:

    1. A. Left ventricular cavity obliteration causing a vagal response
    2. B. Severe ischemic response due to multivessel CAD
    3. C. 2:1 A–V block produced by ischemia in right coronary artery territory
    4. D. None of the above

  8. 168. What proportion of normal patients undergoing DSE may have a drop in their blood pressure:

    1. A. Zero
    2. B. 20%
    3. C. 50%
    4. D. 89%

  9. 169. All of the following factors affect pulmonary vein A-wave amplitude except:

    1. A. LV end diastolic stiffness
    2. B. Left atrial function
    3. C. Pulmonary vein diameter
    4. D. Heart rate
    5. E. Pulmonary artery pressure

  10. 170. The pulmonary vein S-wave may be less prominent than the D-wave in the following situations except:

    1. A. Young children
    2. B. Moderate to severe mitral regurgitation
    3. C. Atrial fibrillation
    4. D. Elevated left atrial (LA) pressure
    5. E. Abnormal LV relaxation with normal left atrial (LA) pressure

  11. 171. Normal pulmonary vein A-wave duration compared with mitral A-wave duration is:

    1. A. Less
    2. B. More
    3. C. Same
    4. D. Variable

  12. 172. Normal pulmonary vein D-wave deceleration in an adult is:

    1. A. 50–100 ms
    2. B. 100–170 ms
    3. C. 170–260 ms
    4. D. Highly variable

  13. 173. Increased pulmonary vein D-wave deceleration time may be encountered in:

    1. A. Mitral stenosis
    2. B. Mitral regurgitation
    3. C. High LA pressure
    4. D. Pulmonary valve stenosis

  14. 174. Normal mitral E-wave propagation velocity by color M mode inside the LV is:

    1. A. 10–30 cm/s
    2. B. 30–50 cm/s
    3. C. Greater than 50 cm/s
    4. D. Greater than 500 cm/s

  15. 175. A reduced mitral E-wave propagation velocity indicates:

    1. A. High LA pressure
    2. B. Increased tau
    3. C. Reduced tau
    4. D. Increased modulus LV chamber stiffness

  16. 176. A reduced A-wave transit time to the LV outflow tract is indicative of:

    1. A. Low negative dp/dt
    2. B. Increased tau
    3. C. Reduced tau
    4. D. Increased modulus of LV chamber stiffness

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Jun 12, 2016 | Posted by in CARDIOLOGY | Comments Off on 9

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