Cardiovascular Medicine Book

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Dobutamine Echocardiogram

Aka: Dobutamine Echocardiogram, Stress Imaging with Dobutamine, Pharmacologic Stress Test with Dobutamine
  1. See Also
    1. Exercise Stress Test
    2. Stress Imaging
    3. Pharmacologic Stress Test
    4. Stress Echocardiogram
    5. Stress Myocardial Perfusion Imaging
  2. Definition
    1. Stress Echocardiogram using Dobutamine as Stressor
  3. Indications: Pharmacologic Stress Test
    1. Myocardial viability evaluation
    2. Heart Valve and left ventricular function evaluation
    3. Concurrent medication use contraindicating Adenosine
      1. Dipyridamole
      2. Aggrenox
    4. Comorbid conditions contraindicating Adenosine
      1. Bronchospastic lung disease
      2. Severe Chronic Obstructive Pulmonary Disease (COPD)
      3. Critical Carotid Stenosis
  4. Contraindications
    1. Concurrent Beta-Blocker use
    2. Body habitus interferes with Echocardiogram windows
      1. Optison contrast can be used to increase accuracy
  5. Advantages
    1. Beta adrenergic agonist increases coronary flow 3x
    2. More specific than Adenosine (but less sensitive)

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