FOCUS - indications
- Dyspnea/ shortness of breath
- Chest Pain
- Hypotension (including PEA)
- Tachycardia
- Syncope
- Penetrating trauma
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Approach to exam
- Get oriented
- Attempt three windows
- Windows
- Parasternal
- Subxiphoid or subcostal
- Apical four chamber
- Few patients have all windows
- Almost all have one
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Typical echo frequency is 2-5MHz
- ▲ Frequency = ▲ Resolution, ▼ Depth
- ▼ Frequency = ▼ Resolution, ▲ Depth
- High frame rate, small “footprint” probe
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“Phased array” ideal
- Comes from a point
- Easy to image between ribs
- Tissue Harmonic Imaging
- Doppler for advanced techniques
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