Dual Head
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ATI Radeon 7000 64MB DDR PCI Video Card Dual VGA Heads
$24.98 |
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NVIDIA QUADRO 64MB DUAL HEAD MONITOR PCI-E VIDEO CARD
$14.99 |
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NVIDIA QUADRO NVS 64MB DUAL HEAD MONITOR AGP VIDEO CARD
$14.99 |
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DY599A NVIDIA Quadro4 280NVS 64MB DDR Dual Head
$145.00 |
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MATROX G450 AGP HEAD DUAL MONITOR 256bit VIDEO CARD
$13.99 |
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NVIDIA QUADRO NVS 64MB DUAL HEAD MONITOR AGP VIDEO CARD
$14.99 |
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MATROX G450 AGP HEAD DUAL MONITOR 256bit VIDEO CARD
$13.99 |
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NVIDIA QUADRO 64MB DUAL HEAD MONITOR PCI-E VIDEO CARD
$14.99 |
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NVIDIA QUADRO NVS 64MB DUAL HEAD MONITOR AGP VIDEO CARD
$14.99 |
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MATROX G450 AGP HEAD DUAL MONITOR 256-bit VIDEO CARD
$13.99 |
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Appian Graphics Jeronimo 2000 PCI Dual Head SVGA Card
$45.00 |
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HP KG748AA NVS290 256MB DUAL HEAD VIDEO GRAPHIC CARD
$119.00 |
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MATROX 7003-0301 G450 32MB DUAL HEAD VIDEO CARD NEW
$115.00 |
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MATROX- G4+MDHA/32/- 32 MB AGP DUAL HEAD VIDEO CARD
$85.00 |
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MATROX-G45+MDVA16D-G450 DUAL HEAD 16MB AGP 4X VIDEO CRD
$99.00 |
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MATROX-G45MDHA32DB/G45+MDHA32DB-DUAL HEAD VIDEO CARD
$85.00 |
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MATROX-G55-MDHA32DR-G550 AGP4X 32MB DDR DUAL HEAD NEW
$89.00 |
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MATROX-MGA-MIL/2/DEC2- 2 MB DUAL HEAD PCI GRAPHICS CARD
$54.00 |
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ATI Rage 128 Dual head 32MB Video Card DVI 109-81100
$7.95 |
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NVIDIA QUADRO 64MB PCI-E VIDEO CARD DUAL HEAD MONITOR
$14.99 |
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NVIDIA QUADRO NVS 64MB DUAL HEAD MONITOR AGP VIDEO CARD
$14.99 |
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V.CARD AGP 32MG MATRO G550 DUAL HEAD OEM
$39.00 |
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Nvidia Quadro4 200NVS 64MB dual head Video Card 272204
$24.00 |
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MATROX G45+ 16mb DUAL HEAD VIDEO CARD G45+MDHA16D/IBM
$5.00 |
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MATROX G45+ 16mb DUAL HEAD VIDEO CARD G45+MDHA16D/IBM
$5.00 |
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MATROX G45+ 32mb DUAL HEAD VIDEO CARD G45+MDHA32D
$9.99 |
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MATROX G55+MDHA32DB DUAL HEAD VIDEO CARD
$40.00 |
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MATROX G450 AGP HEAD DUAL MONITOR 256bit VIDEO CARD
$13.99 |
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NVIDIA QUADRO NVS 64MB DUAL HEAD MONITOR AGP VIDEO CARD
$14.99 |
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MATROX G450 AGP HEAD DUAL MONITOR 256bit VIDEO CARD
$13.99 |
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NVIDIA QUADRO 64MB PCI-E VIDEO CARD DUAL HEAD MONITOR
$14.99 |
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NVIDIA QUADRO NVS 64MB DUAL HEAD MONITOR AGP VIDEO CARD
$14.99 |
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MATROX G450 AGP HEAD DUAL MONITOR 256-bit VIDEO CARD
$13.99 |
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Jaton GeForce MX MX4000 128MB TV-out Dual Head PCI
$82.51 |
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Matrox Millennium G450 32MB Dual Head PCI Video Card,
$128.71 |
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GRAPHICS CARD Nvidia Quadro FX 550 Dual DVI head PCI-E
$22.32 |
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NVIDIA QUADRO 64MB DUAL HEAD MONITOR PCI-E VIDEO CARD
$14.99 |
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NVIDIA QUADRO NVS 64MB DUAL HEAD MONITOR AGP VIDEO CARD
$14.99 |
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MATROX G45+ 16mb DUAL HEAD VIDEO CARD G45+MDHA16D/IBM
$5.00 |
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MATROX G45+ 16mb DUAL HEAD VIDEO CARD G45+MDHA16D/IBM
$5.00 |
what is a dual head stethoscope, and what are the purposes of each side? thanks everyone!?
Dual-sided (aka dual head) stethoscopes enable simultaneous amplification or attenuation of certain critical physiological sounds, by alternation between the two differently-shaped and differently-sized sound collecting areas. The “bell” side is not more or less suitable for pediatric use than the diaphragm side. A true high fidelity acoustic stethoscope obviates the need for a separate pediatric stethoscope in family practice, however certain psychological factors may dictate a preference for smaller stethoscope heads, rather than objective acoustic factors alone. The “diaphragm side” is generally more sensitive to respiratory sounds than the “bell side”. High fidelity, dual-sided stethoscopes have greater sensitivity to all frequencies on both sides, than single-sided