# relacion de velocidad y area de seccion

## English translation: relationship between velocity and cross-sectional area

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
 Spanish term or phrase: relacion de velocidad y area de seccion English translation: relationship between velocity and cross-sectional area Entered by:

 14:29 Apr 1, 2005
Spanish to English translations [PRO]
Medical - Medical: Cardiology
 Spanish term or phrase: relacion de velocidad y area de seccion cardiovascular section of course syllabus
 Local time: 04:41
 relationship between velocity and cross-sectional area Explanation:Take a look at the following model on the following Website. Hope it helps. Theoretical Model We considered the lumen cross-sectional area in the proximal LAD and its regional myocardial perfusion bed as a unit. We modeled it as functioning at resting demand conditions, without ischemia and without collateral supply to or from the bed. Under these conditions, the flow continuity principle states that volumetric flow through the coronary cross-section (Qart) equals the flow required by the metabolic demand of the myocardial bed (Qart=Qbed). Recognizing that Qart is the product of a spatially averaged resting velocity (V) with a cross-sectional area (A) at that point (Qart=VxA) and that Qbed is the product of the distal bed’s average perfusion (q; measured as milliliters per minute per 100 grams) and its mass (m), the flow continuity equation can be written as follows. V*A = q*m V = (q*m)/A This can be rearranged to express the average resting velocity as follows. http://circ.ahajournals.org/cgi/content/full/102/1/48
Selected response from:

PTLtda
Colombia
Local time: 04:41
 gracias!4 KudoZ points were awarded for this answer

5velocity - cross-sectional area ratio
 Hugo Silva
4 +1relationship between velocity and cross-sectional area
 PTLtda

1 hr   confidence: peer agreement (net): +1
relationship between velocity and cross-sectional area

Explanation:
Take a look at the following model on the following Website. Hope it helps.

Theoretical Model
We considered the lumen cross-sectional area in the proximal LAD and its regional myocardial perfusion bed as a unit. We modeled it as functioning at resting demand conditions, without ischemia and without collateral supply to or from the bed. Under these conditions, the flow continuity principle states that volumetric flow through the coronary cross-section (Qart) equals the flow required by the metabolic demand of the myocardial bed (Qart=Qbed). Recognizing that Qart is the product of a spatially averaged resting velocity (V) with a cross-sectional area (A) at that point (Qart=VxA) and that Qbed is the product of the distal bed’s average perfusion (q; measured as milliliters per minute per 100 grams) and its mass (m), the flow continuity equation can be written as follows.

V*A = q*m
V = (q*m)/A

This can be rearranged to express the average resting velocity as follows.

http://circ.ahajournals.org/cgi/content/full/102/1/48

 PTLtdaColombiaLocal time: 04:41Works in fieldPRO pts in category: 8
 gracias!

agree  Muriel Vasconcellos: Good research! (Hugo's version may be a bit more elegant.)
 6 hrs
-> Thanks Muriel.

4 hrs   confidence:
velocity - cross-sectional area ratio

Explanation:
Hope it helps...:-)

 Hugo SilvaLocal time: 06:41Specializes in fieldNative speaker of: SpanishPRO pts in category: 12

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