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The adaptive mechanisms may be short term ones which come into play within minutes or hours of the onset of myocardial dysfunction. These are:
Frank-Starling Mechanism
In the Frank-Starling mechanism increased preload helps in sustaining cardiac performance. Starling's law essentially means that stroke volume is related to the end-diastolic volume. Frank proposed that the greater initial left ventricular volume leads to more rapid rate of rise of pressure, greater peak pressure and faster rate of relaxation. So the Frank-Starling law accounts for increased inotropic state and increased diastolic filling.
Neuro Hormones
Activation of neurohumoral systems resulting in release of noradrenaline leading to augmentation of myocardial contractility.
Renin-Angiotensin-Aldosterone System
Activation of renin-angiotensin-aldosterone system which helps in maintaining arterial pressure and perfusion of vital organs.
What are neurodegenerative diseases and how might they be treated? Neurodegenerative diseases that include Alzheimer's, Parkinson's, Huntington's, and amyotrophic lateral scler
general charactres and classfication
Recent molecular analyses indicate that the artiodactyls, which include hippos and camels, are paraphyletic, whereas cetaceans are monophyletic and cetaceans and hippos form a clad
Describe the Stages of Atherosclerosis ? The process of atherosclerosis which gives rise to CAD marches in stages. The earliest recognizable pathologic lesions are the fatty st
#in which part of alimentary canal oblique muscle found?
Define Briefly about the Manganese Toxicity? Manganese is considered least toxic of the trace minerals through oral intake. However, some people may be at a risk to develop tox
An experiment with a floating egg Place an egg in a glass of fresh water and view it. Next add salt to the water and see if you can float the egg. How does this relate to the f
Determine the Food Sources of Fluoride? The major source of fluoride in most diets is water, with foods providing only about 25% of total intake. These include tea and marine f
The Exine Layer It consists of two layers, inner (nexine) which is continuous and an outer (sexine) the sculptured one. The outer layer has ornamentations comprising rod-like
Q. Measurement of Colour in Foods? A number of instruments are used for colour measurements in food. a) A simple method is to match the colour of a food with coloured chips
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