Left ventricle
Increased pressure in the ventricles means the heart has increased stress pumping blood to the respiratory system/ body.
Stress can cause an increased heart rate and increased blood pressure. Continued stress can lead to tachycardia and continued high blood pressure. You first need to have a doctor examine you to make sure the tachycardia is from stress rather than a physical cause. If from stress, build in ways to relax during the day. Get exercise; walking helps reduce stress. Do meditation or listen to soothing music. Even a warm bath can help some people feel less stressed.
Your heart beats fast because when your brain gets a sudden fright it contracts all muscles and that uses oxygen and it also contracts the heart and so the heart needs to pump blood around more often so the muscles can continue to react in the state of emergency in rapid speed. I hope this answers your question.
No, dead muscle is dead muscle - however the genius of the human body is that it can adapt. If there is enough of the heart sill alive it will increase its effort to compensate for what died. Many people live long lives after heart attacks. It is best to catch an attack before the muscle dies and have surgery to rework blood paths to the starved muscle. Bypass and shunts have worked restoring blood flow to struggling hearts restoring health and longevity. But a dead muscle is a dead muscle so treatment before a major attack is critical.
Sounds like you have lack of oxygen. If you have sleep apnea this can severly hinder the oxygen level in the blood and possibly lead to a heart attack because of the stress that the heart is under during the sleep process. If you have apnea, you actually stop breathing for a duration of time, usually 5-20 seconds, then your body kicks into a response which forces you to breath. The heart works harder to get the oxygen to the body, but beause the oxygen is lacking, it adds undue stress to the heart. I would contact your Dr. about this or maybe another possibility is Chronic Fatigue Syndrome...
Visiting an oxygen bar can provide benefits such as increased energy levels, improved focus and concentration, reduced stress and anxiety, and a feeling of relaxation. The inhalation of pure oxygen can also help alleviate symptoms of headaches, migraines, and hangovers.
The hyperglycemia caused by stress would lead to an increased secretion of insulin, which would than lower blood glucose. As a consequence, the blood glucose would not be sustained to deal with continued stress.
Increasing rock size generally decreases its strength due to increased likelihood of defects, while a steeper stress gradient can cause localized stress concentrations leading to potential failure. Combining large rock size with a steep stress gradient can result in reduced rock strength and increased risk of failure.
It is the supply of oxygen to the heart; the oxygen is carried by the blood. When there's insufficient blood supply, oxygen supply is low too, and angina results. See http://en.wikipedia.org/wiki/Angina_pectoris
The benefits of meditation include reduced stress, improved focus and concentration, increased self-awareness, better emotional regulation, and enhanced overall well-being.
increased
Climatic stress refers to the negative impact that changes in climatic conditions, such as extreme temperatures, precipitation patterns, and severe weather events, can have on living organisms, ecosystems, and habitats. This stress can lead to reduced resilience, increased vulnerability, and even mortality in various species.
The amount of oxygen in the water is crucial for the health and survival of oyster populations. Oysters require dissolved oxygen to breathe and carry out essential metabolic processes; low oxygen levels can lead to stress, reduced growth, and increased mortality rates. Additionally, hypoxic conditions can impair reproductive success and make oysters more susceptible to diseases. Therefore, maintaining adequate oxygen levels in aquatic environments is vital for sustaining healthy oyster populations.
When stress is linked to increased psychological disorders, it is referred to as a stress-related mental health issue or a stress-induced psychological disorder.
Stress can produce chronic increases in adrenaline levels, and have related those changes to an increased risk of heart disease. It can constrict the coronary arteries in such a way that blood flow to the heart muscle is reduced. Finally may lead to death
yes it does. If you do what you like then you are happy and thus by the power of all that is you.... Your stress is reduced
Hypertension means high blood pressure, which can be increased by stress.