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List the 4 types of TEE transducers:
Which is most often used?
- 1. Monoplane
- 2. Biplane
- 3. Multiplane (most used)
- 4. Panoramic
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The multiplane transducer is a steerable array and rotates from 0-180 degrees:
Transverse =
Longitudinal =
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The 5 transducer positions are:
RRTAT
- 1. Repositioning
- 2. Rotation
- 3. Turning
- 4. Angulation
- 5. Tilt
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The 4 standard TEE imaging views are:
- 1. Basal
- 2. 4 chamber
- 3. Transgastric
- 4. Aorta
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Can you think of some reasons why a Dr. would choose to do a TEE?
- obese patient
- eval AO
- LV fxn
- Endocarditis
- Source of embolism
- Rt heart function
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When shouldn't you do a TEE?
Esophageal (tumors, stenosis, stricture, etc
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Mechanical complications of TEE?
probe buckling, compression of surrounding structures
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TEE procedure complications?
Patient intolerance, sore throat
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List the 2 classifications of emboli?
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What is spontaneous echo contrast?
Dynamic echoes with LA & LAA which resembles swirling smoke
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What is A fib? How does it affect the heart?
- Cardiac rhythm disturbance (4 E wave with absent A wave)
- Thromboembolism is a consequence
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Why TEE not used to assess AO stenosis?
B/c of angle, etc. Transthoracic is still better
TEE is not useful for: apex, arch b/c trachea, AS
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What is the treatment for A-fib?
Cardioversion, antiarrhytmic drugs, anticoag therapy
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Direct source embolism has a _________________ probability of causing a stroke. Some examples of it are: 4
- high
- thrombus, tumor, veg, AO atheroma
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Indirect source has a __________________ probability of causing a stroke. Some examples of it are: (4)
- low
- dilated CMO, ASD, PFO, spontaneous echo contrast
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Define: sclerosis
pathological hardening and thickening of tissue
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Define: stenosis
abnormal narrowing
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Some echo signs of a pulmonary emboli would be: (5)
- Dilated Rt heart chambers
- Dilated PA
- Small LV cavity
- Paradoxical septal motion
- vis of thrombi in pulmonary arteries
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What is the most common cardiac rhythm disturbance?
Atrial Fibrillation
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