 | A | Anterior (9 database hits) |  |
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 | A | Ampere (4 database hits) |  |
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 | A2Cd | Apical 2 Chamber diastolic
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 | A2Cs | Apical 2 Chamber systolic
|  |
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 | A4Cd | Apical 4 Chamber diastolic
|  |
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 | A4Cs | Apical 4 Chamber systolic
|  |
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 | AALs | Acoustically Active Lipospheres (1 database hit) |  |
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 | abs | Absolute value
|  |
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 | AC | Alternating Current |  |
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 | AC | Abdominal Circumference
|  |
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 | ACC | Aceleration Index
|  |
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 | ACR | American College of Radiology (1 database hit) |  |
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 | ACS | Aortic Valve Cusp Separation
|  |
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 | ADC | Analog to Digital Converter (2 database hits) |  |
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 | ADF | Advanced Dynamic Flow
|  |
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 | ADI | Agent Detection Imaging
|  |
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 | AFI | Amniotic Fluid Index
|  |
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 | AHBI | Average HeartBeat Interval |  |
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 | AI | Acceleration Index (1 database hit) |  |
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 | ALEF | Area Length Ejection Fraction |  |