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 'Venous Ultrasound' 
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Result : Searchterm 'Venous Ultrasound' found in 1 term [] and 2 definitions [], (+ 18 Boolean[] results)
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Searchterm 'Venous Ultrasound' was also found in the following services: 
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News  (6)  Resources  (8)  
 
Venous UltrasoundMRI Resource Directory:<br> - Vascular -
 
Peripheral veins are easily tested using a 5 to 10 MHz transducer. The venous walls are smooth, thin, and compressible. Venous ultrasound imaging requires the compression of the veins in the transverse view. If compression is performed in the longitudinal view, the vein may roll away from the transducer possibly creating a false-negative examination.
The lumen of the normal vein is echo free. Increasing the gain will display low level echoes representing venous blood moving towards the heart. When performing Doppler spectral analysis or color Doppler the gate should be placed in the center of the vessel. In case of a non-obstructing or recanalized thrombosis, the Doppler gate should be placed within the remaining vessel lumen for flow detection.
See also Maximum Venous Outflow and Zero Offset.
Radiology-tip.comVenography
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Radiology-tip.comContrast Enhanced MR Venography
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• Related Searches:
    • Maximum Venous Outflow
    • Vascular Ultrasound
    • Flow
    • Plethysmography
    • Velocity

 Further Reading:
  Basics:
Upper extremity Doppler ultrasound: Subclavian vein thrombosisOpen this link in a new window
   by rad.usuhs.mil    
  News & More:
Noninvasive diagnostic methods to evaluate venous insufficiency of the lower limbs(.pdf)Open this link in a new window
   by www.scielo.br    
Searchterm 'Venous Ultrasound' was also found in the following service: 
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Radiology  (1) Open this link in a new windowMRI  (1) Open this link in a new window
FlowMRI Resource Directory:<br> - UltraSound Physics -
 
Blood volume per time measured in: cm3/s.
The sonographic detection of blood flow in vascular ultrasound is limited by factors such as tissue motion (clutter), attenuation properties of the intervening tissue, and slow or low-volume flow.

Different flow types in human body:
point Behaves like stationary tissue = stagnant flow.
point Flow with consistent velocities across a vessel = laminar flow.
point Laminar flow passes through a stricture or stenosis (in the center fast flow, near the walls the flow spirals) = vortex flow.
point Flow with equal velocity = plug flow.
point Flow at different velocities that fluctuates = turbulent flow.
See also Antegrade, Bi-directional Flow, Velocity, Poiseulles Law, and Venous Ultrasound.
Radiology-tip.comFlow
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• View the news results for 'Flow' (5).



 Further Reading:
  Basics:
Bernoulli's principleOpen this link in a new window
   by en.wikipedia.org    
  News & More:
Noninvasive Evaluation of Peripheral Arterial DiseaseOpen this link in a new window
   by ej.rsna.org    
US Resources  
Pediatric - Cardiac - Pelvic - Portable UltraSound - Education - Used and Refurbished UltraSound Equipment
 
Vascular UltrasoundMRI Resource Directory:<br> - Vascular -
 
Vascular ultrasound obtains images and measures blood flow velocity in the carotids, abdominal aorta, and vessels of kidneys, arms, or legs. Blockages in arteries, blood clots in veins, or abdominal aortic aneurysm can be detected.
These abnormalities in blood flow are usually examined with different Doppler techniques. In addition, the speed and direction of blood flow can be color coded in a color map. Duplex techniques show both, the vessels and the surrounding tissue. The use of ultrasound contrast agents improves the left ventricular opacification in cardiac ultrasound examination. Usually, for a vascular ultrasound no special preparation is needed.
See also Echocardiography, Venous Ultrasound, Adventitia, Intima, Temporal Mean Velocity, and Intravascular Ultrasound.
Radiology-tip.comCT Angiography
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Radiology-tip.comMagnetic Resonance Angiography MRA
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• View the news results for 'Vascular Ultrasound' (11).



 Further Reading:
  News & More:
SURVEY OF DEVELOPMENTS IN CARDIAC AND CARDIOVASCULAR ULTRASOUND IMAGING(.pdf)Open this link in a new window
   by www.sea-acustica.es    
Searchterm 'Venous Ultrasound' was also found in the following services: 
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News  (6)  Resources  (8)  
 
SonoVue®InfoSheet: - Contrast Agents - 
Intro, 
Historical Development, 
Microbubbles,
etc.MRI Resource Directory:<br> - Contrast Agents -
 
www.bracco.com/Bracco/Internet/Imaging/Ultrasound/

From Bracco Diagnostics, Inc.
SonoVue® was first launched in October 2001 and is now available in all European countries.
SonoVue is a second generation USCA, designed and optimized with regard to the resistance to pressure. SonoVue is an example of an important family of microbubbles whose membrane consists of phospholipids. SonoVue microbubbles are filled with sulfur hexafluoride (SF6), a gas which has a low solubility and diffuses slowly in blood for the gaseous phase of the microbubbles.
In particular, the SonoVue microbubbles, thanks to the high flexibility of their shell, are strongly echogenic in a wide range of frequencies and acoustic pressure and therefore can be used with both destructive and conservative contrast bubble specific imaging methods.
See also Coherent Contrast Imaging.

Drug Information and Specification:
RESEARCH NAME BR1
DEVELOPER Bracco
INDICATION -
DEVELOPMENT STAGE
Contrast enhanced ultrasound -
for sale
APPLICATION Intravenous
TYPE Microbubble
SHELL Lipids: Macrogol 4000, DSPC, DPPG, Palmitic acid
CHARGE Negative
GAS Sulfurhexafluoride
MICROBUBBLE SIZE 99% &lt; 11µm
PRESENTATION Presentation 01(with integral Bio-Set transfer system) - 25 mg of dry, lyophilized powder in an atmosphere of sulphur hexafluoride in a colorless Type I glass vial, with elastomeric closure and integral transfer system. Type I glass pre-filled syringe containing 5 ml sodium chloride 0.9%w/v solution for injection. - Presentation 02 (with separate MiniSpike transfer system)
STORAGE No special precautions for storage
PREPARATION Reconstitute with 5 ml saline
DO NOT RELY ON THE INFORMATION PROVIDED HERE, THEY ARE NOT A SUBSTITUTE FOR THE ACCOMPANYING PACKAGE INSERT!

Distribution Information:
TERRITORY DISTRIBUTOR
USA, EU Bracco

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 Further Reading:
  News & More:
Diagnostic efficacy of SonoVue®, a second generation contrast agent, in the assessment of extracranial carotid or peripheral arteries using colour and spectral Doppler ultrasound: a multicentre studyOpen this link in a new window
2006   by www.bracco.com    
EMEA - PUBLIC STATEMENT ON SONOVUE (SULPHUR HEXAFLUORIDE) New contraindication in patients with heart disease. Restriction of use to non-cardiac imaging(.pdf)Open this link in a new window
Wednesday, 19 May 2004   by www.ncbi.nlm.nih.gov    
Searchterm 'Venous Ultrasound' was also found in the following service: 
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Radiology  (1) Open this link in a new windowMRI  (1) Open this link in a new window
Definity®InfoSheet: - Contrast Agents - 
Intro, 
Historical Development, 
Microbubbles,
etc.MRI Resource Directory:<br> - Contrast Agents -
 
www.definityimaging.com/newsroom/newsroom/factsheet.asp

From Bristol-Myers Squibb Medical Imaging Inc.
Activated DEFINITY® Injectable Suspension is indicated for use in patients with suboptimal echocardiograms to opacify the left ventricular chamber and to improve the delineation of the left ventricular endocardial border. The perflutren lipid microspheres exhibit lower acoustic impedance than blood and enhance the intrinsic backscatter of blood.
Echocardiography with Definity produced more detailed images of the heart in difficult-to-image patients versus echocardiography alone, and images obtained with the contrast agent provided a more accurate assessment of segmental wall motion compared with unenhanced images.
See also Coherent Contrast Imaging.

In August 2001 DuPont Pharmaceuticals Company received FDA approval.

Drug Information and Specification:
RESEARCH NAME DMP 115, MRX 115
DEVELOPER Bristol-Myers Squibb Medical Imaging, Inc.
INDICATION -
DEVELOPMENT STAGE
LV, echocardiography
for sale
APPLICATION Intravenous
TYPE Microbubbles
SHELL Lipids:DPPA, DPPC, MPEG5000 DPPE
CHARGE Negative
GAS Octafluoropropane
MICROBUBBLE SIZE 98% < 10µm
PRESENTATION Package contains four 2mL clear glass single-use vials.
STORAGE Refrigerate 2–8°C
PREPARATION Activate through Vialmix agitation
DO NOT RELY ON THE INFORMATION PROVIDED HERE, THEY ARE NOT A SUBSTITUTE FOR THE ACCOMPANYING PACKAGE INSERT!

Distribution Information:
TERRITORY DISTRIBUTOR
USA, EU Bristol-Myers Squibb Medical Imaging, Inc.

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 Further Reading:
  Basics:
Definity Product DescriptionOpen this link in a new window
  News & More:
CONTRAST ECHOCARDIOGRAPHY: NEW AGENTSOpen this link in a new window
   by eurheartj.oxfordjournals.org    
molecular imaging using ultrasoundOpen this link in a new window
   by bjr.birjournals.org    
American Society of Echocardiography Consensus Statement on the Clinical Applications of Ultrasonic Contrast Agents in EchocardiographyOpen this link in a new window
November 2008   by www.asecho.org    
US Resources  
Databases - Portable UltraSound - Modes - Artifacts - Endoscopic - Manufacturers
 
Related Searches:
 • Plethysmography
 • Doppler Ultrasound
 • Velocity
 • Maximum Venous Outflow
 • Flow
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