Reverb Comets and Rings
Reverberation Artifact
- Equally spaced reflection artifact
- A lines – normal finding in lung US
Narration
Reverberation
- Closely spaced repeating echoes
- Metallic elements, calcifications, cholesterol
Narration
Comet Tail Artifact
- Dense tapering trail of reverberation artifact
- Metallic elements, calcifications, cholesterol
- Adenomyomatosis
- Benign condition of gallbladder
- Cholesterol deposits in wall
Narration
Comet Tail Artifact
- Dense tapering trail of reverberation artifact
- Metallic elements, calcifications, cholesterol
Narration
Ring Down Artifact
- Resonance from an air liquid interface
- From air (not calcium, metal, etc.)
- Can appear similar to comet tail
- Confusion in the literature
"B lines"
- Alveolar interstitial syndrome (AIS)
- Air - water -> artifact
- Pulmonary edema, others
Narration
Ring Down Artifact
- Resonance from an air liquid interface
- From air (not calcium, metal, etc.)
- Pneumobilia
- Air in liver from gas forming organism in sepsis
Narration
ECG Interpretation
Heart Sounds
Lung Sounds
Blood Pressure
Medical Terms
Ultrasound
Respiratory Care
Fundamentals
Pediatric Referral
Carotid Bruit
Abdominal Sounds
Repetition Drill
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