Cross section of a skeletal muscle (200x) showing the muscle fibers (red) and the fat cells (white) Skeletal muscle is also called striated muscle, because when it is viewed under polarized light or stained with an indicator, you can see alternating stripes of light and dark. Skeletal muscle has a complex structure that is essential to how it contracts.
Patients with mitral valve prolapse may have imbalances in their autonomic nervous system, which regulates heart rate and breathing. Such imbalances may cause inadequate blood oxygen delivery to the working muscles during exercise, thereby causing fatigue.Palpitations are sensations of fast or irregular heart beats.nlike angina, chest pain with mitral valve prolapse rarely occurs during or after exercise, and may not respond to nitroglycerin. Anxiety, panic attacks, and depression may be associated with mitral valve prolapse. Like fatigue, these symptoms are believed to be related to imbalances of the autonomic nervous system.
Symptoms of Stress . Explanations > Stress > Symptoms of Stress. Emotional/cognitive symptoms | Physical symptoms | Autonomic nervous system | So what? Stress affects us all. If you can spot the symptoms, you can manage them. Do note, of course, that these symptoms may also be indicators of other things. (If in doubt, consult you doctor...). Note also that a stressed person is unlikely to experience all of these symptoms and that even one can be a sign of stress. Emotional/cognitive symptoms Emotional and cognitive symptoms of stress include: