Illustrate mitral valve orifice area, Biology

Assignment Help:

Q. Illustrate Mitral Valve Orifice Area?

The normal mitral valve orifice in an adult is 4-5cm2 when the valve is completely open in diastole. When the mitral valve orifice area is 1.0 cm2, then there will be a significant resting gradient across the valve and any requirement for increase cardiac output leads to an increase in LA and PCW pressure and results in Pulmonary edema. This therefore, represents "critical mitral valve orifice area".

The formula for calculating mitral valve orifice area is:

Where P = mean transmitral pressure gradient, and MVA = mitral valve area. Thus when the cardiac output is doubled, the transmitral gradient is quadrupled (if HR and DFP remain constant).


Related Discussions:- Illustrate mitral valve orifice area

Why is knowledge of chemistry necessary for study, Why is knowledge of chem...

Why is knowledge of chemistry necessary for the study of living organisms?

What do you know zoological parks, Q. What do you know Zoological Parks? ...

Q. What do you know Zoological Parks? Zoological park has two faced aspects, the relationship between man and beast. There is awe and there is slaughter. There is worship and t

Define the term diffusion, Define the terms diffusion, osmosis and filtrati...

Define the terms diffusion, osmosis and filtration. Explain why each process is important for the human body.

Describe the basic types of leukocytes, Q. What are the kinds of leukocytes...

Q. What are the kinds of leukocytes and how are they classified into granulocytes and agranulocytes? The kinds of lymphocytes are leukocytes, neutrophils, monocytes, basophils

Reactants of photosynthesis, what are the reactants and the products of pho...

what are the reactants and the products of photosynthesis? under the thylakoid, stroma,and combined

Estimation of depth of burn injury, Estimation of Depth of Burn Injury: ...

Estimation of Depth of Burn Injury: A thermal injury is described as partial thickness or full thickness, depending on the depth  and  severity of tissue damage a) First D

collection of solid waste, There are three methods of collections: 1.  ...

There are three methods of collections: 1.      Kerbside collection: In this collection system the refuse is brought in containers and placed on the footway, from where it is

Field capacity (fc), Field Capacity (FC) It is the capacity of a field...

Field Capacity (FC) It is the capacity of a field to hold the amount of water against gravitational forces. It is expressed as the percentage of the dry weight of the soil. Fi

Chromosomes and their organization, Chromosomes   and Their Organization ...

Chromosomes   and Their Organization During  division  phase , the duplicated  chromatin  fibres  become extremely  shortened (= condensed),  by coiling and folding ,into short

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd