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Q: What are the changes that occur in heart muscle microscopically during a heart attack?
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When you observe glycerinated muscle shorten what is happening microscopically?

The muscle fibres are contracting


What is the line or streak across a muscle called?

Microscopically you could be seeing sacromeres. Otherwise, these streaks are called striations.


Does muscle length change during isometric movements?

No, the length of the muscle fibers does not change. In isotonic movements is when the length changes.


Why do physicians monitor a patient's enzyme levels if a heart attack has occurred?

Physicians monitor a patient's enzyme levels if they suspect that the patient is having a heart attack because changes happen over time in blood levels of heart enzymes indicate the heart muscle's health.


What are the changes of horse during puberty stage?

They get alot taller and really fill out muscle and weight wise.


Stretching microscopically tears down muscle tissue?

Not inherently, no. Stretching a muscle means that the muscle is lengthening, it is stretching from a given position of shortness. Muscles CAN tear during a stretch, this is certainly a risk. This depends on a lot of factors, like how far it is being stretched, the amount of passive tension in the muscle, the amount of active tension, the speed of the stretch, the amount of external force (if any) being used, the stability, the joint alignment, etc.


What has the author N J Beraquet written?

N. J. Beraquet has written: 'Physical changes during the heating of herring muscle'


Explain Chemical changes during muscular contractions?

The chemical changes during muscular contractions include conversion of ATP into ADP, break-down of phosphocreatine and muscle glycogen, formation of Fructose diphosphate and lactic acid and resynthesis of creatine phosphate.


What blood vessels are harmed when one has a heart attack?

So a heart-attack is a result of a block artery. This blockage can prevent blood flow to the muscle of the heart. If this is the case, the muscle ca become damaged. So to answer your question, the vessels are not necessarily getting damaged during a heart attack. It's the muscle. However there are three vessel the supply the heart with blood. Below is each vessel and the muscle wall that could be damage in a heart-attack. Right Coronary Artery(RCA): Inferior wall Left Anterior Descending (LAD): Anterior Wall Curcumflex(Cx): Lateral wall


Do you bleed from the mouth during a heart attack?

Not from the heart attack itself. In a heart attack, the heart is deprived of oxygen from the blockage of a coronary artery. This does not usually cause bleeding, but it does cause the death of the muscle cells if they don't get oxygen.


What is a spaz attack?

A Spaz Attack is when someone is Physically out of control and just freaking out. Spaz Attack is slang for Muscle Spasm. Muscle Spasms are uncontrollable in physically handicapped people when the brain is not able to control the muscles.


Where does a heart attack occur in the heart?

cardio muscle