What is intermittent st depression, Biology

Assignment Help:

What is Intermittent ST Depression ?

Ans.

Several patients progress from variable ST-segment depression, often associated with respiration, to the classic ST-segment changes typical of ischaemia. The mechanism of this condition seems to be related to the fact that inspiration and expiration are associated with different rates of left ventricular filling. If the compliance of the left ventricle is slightly decreased the increased rates of the filling may produce an elevation in the end diastolic pressure and therefore, ST-segment depression for only a few beats. This is almost always seen near maximum stress levels, when compliance of the ventricle would be expected to be decreased the most and when the abdominal pump would be returning the blood to the heart at the greatest velocity.


Related Discussions:- What is intermittent st depression

Define about the sterols - non glyceride fractions, Define About the Sterol...

Define About the Sterols - Non Glyceride Fractions? These constitule a major proportion of the non-glyceride component while tocopherols, carotene pigments and flavour compound

Name the various suturing techniques, Name the various suturing techniques ...

Name the various suturing techniques There are a various suturing techniques each suited for a particular situation. Few of the common suturing techniques are mentioned here

Conditions essential for the germination of seeds, To study the conditions ...

To study the conditions essential for the germination of seeds:- In the diagram below a having seeds on cotton wool with air, warmth, but no water; b has water, warmth, but no

Complications during rheumatic heart disease, Q. Complications during rheum...

Q. Complications during rheumatic heart disease? Inflammation of Inning of heart (pericarditis), anaemia, heart ,enlargement, valve deformities (mitral and tricuspid valves),

Rapid crawling and swimming, Rapid Crawling and Swimming Rapid Crawl...

Rapid Crawling and Swimming Rapid Crawling This movement depends upon mainly on the contralateral waves of contraction of the longitudinal muscles of the body wall that

Transpiration, Most of the water taken up by a plant passes through it and ...

Most of the water taken up by a plant passes through it and is evaporated to the atmosphere.What use is made of the tiny fraction of this water which is retained by the plant?

Trinomial system, who proposed trinomial system of classification? in ALLEN...

who proposed trinomial system of classification? in ALLEN modules ans is Huxley & Stricklandt but in AAKASH its given Lamarck so what is correct?

Pdf, study of phenomena of apical dominance

study of phenomena of apical dominance

Name the foods to avoid in soft diet, Name the Foods to avoid  in soft die...

Name the Foods to avoid  in soft diet include: Fried foods and nuts, rich pastries and desserts, Raw  vegetables, Heavily spiced foods, Gas-forming vegetables, S

Explain about solubility of proteins, Precipitation/Solubility of Proteins ...

Precipitation/Solubility of Proteins Most of the functional properties are  dependent on the degree to which the proteins are soluble. The solubility behaviour provides a good

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