Indications for surgery-aortic valve disease, Biology

Assignment Help:

Indications For Surgery :  The normal aortic valve area in the adult is about 3-4 cm2. Significant symptoms occur when the valve area is seduced to 1/4"' the normal area of the aortic valve. The severity of aortic stenosis is graded by valve area or peak valvar pressure gradient.

 1842_degree of aortic stensis.png

Even when aortic stenosis is critical, in the presence of LV dysfunction, the gradient may be deceptively low. Similarly, some patients with severe aortic stenosis may be asymptomatic.

Aortic stenosis patients usually present with angina, syncope or dyspnoen. In all symptomatic patients who do not have any serious co morbid conditions surgery is indicated. Even in those patients with severe LV dysfunction, operation should be performed, if they have anatomically severe stenosis. AVR in such cases results in haemo dynamic improvement and better functional status.

2073_indications and class of evidence.png


Related Discussions:- Indications for surgery-aortic valve disease

How is the cooling of tissues and organs, Q. How is the cooling of tissues ...

Q. How is the cooling of tissues and organs for medical transplants associated with the effect of temperature upon enzymatic reactions? The molecular degradation during the dec

What are the similarities in cloning and selective breeding, Similarities ...

Similarities  in cloning and selective breeding cloning (not transgenesis) and selective breeding both transfer whole genome both selective breeding and cloning have t

The cerebrum, The cerebrum is clearly the most interesting part of the brai...

The cerebrum is clearly the most interesting part of the brain from the point of view of cognitive neuroscience. The cerebrum consists of highly symmetrical left and right hemisphe

What is photoperiodism, What is photoperiodism? Photoperiodism is the ...

What is photoperiodism? Photoperiodism is the biological response shown by some living beings to their daily time of light exposure (photoperiod).

Define the meaning of value - soil, Define the meaning of value - Soil ...

Define the meaning of value - Soil Value refers to relative lightness or darkness of a colour and is a measure of the amount of light that reaches the eye under standard lighti

Define fish as a rich source of protein, Define Fish as a rich source of pr...

Define Fish as a rich source of protein? The edible portion is skeletal muscles of the body. Even though the skeletal muscles of different animals are basically similar, fish s

Role of exercise in the management of diabetes mellitus, Role of exercise i...

Role of exercise in the management of diabetes mellitus Exercise is another important component of life style modification. Like diet control, regular exercise is important in

What is the name of the dna duplication procedure, Q. What is the name of t...

Q. What is the name of the DNA duplication procedure? What is the major enzyme that participates in it? The process of duplication, or copying, of the DNA molecule is called re

Ventricular septal defect (vsd), Ventricular Septal Defect (VSD)   In v...

Ventricular Septal Defect (VSD)   In ventricular septal defect there is abnormal communication between right and left ventricle. Anatomically 90 per cent of all VSD are located

Trophic level - ecosystem, Trophic Level - Ecosystem In an ecosystem, ...

Trophic Level - Ecosystem In an ecosystem, the various biotic components are related to each other and form food chains. If we group all the organisms in a food chain accordin

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