Extremely low levels of thyroid hormone can cause a life-threatening condition called myxedema — which is the most severe form of hypothyroidism. A person with myxedema can lose consciousness or go into a coma. The condition can also cause the body temperature to drop very low, which can caus...
Thus, it increases arousal (heightened awareness, alertness) and vigilance (watchfulness, carefulness) and adjusts (modulates) the action of the autonomic nervous system, which includes the SNS. The autonomic nervous system regulates blood flow, heart rate, blood pressure, and breathing (respiration)...
Heart attacks can have a wide variety of symptoms—and sometimes, they have none at all. They can come on suddenly, or they can develop over a period of hours, days, or even weeks. And some symptoms may not even seem related to a heart attack, which makes it critical to understand yo...
In a vasovagal episode, the vagus nerve (one of the nerves that helps control basic body functions like heart rate, breathing, and blood pressure) is overly stimulated and can cause the heart rate to slow and blood vessels to dilate. This decreases the flow of blood to the brain and can...
During the long test, your doctor will closely measure your blood pressure, heart rate, and body weight. At the end of the test which usually lasts about 12 hours, your doctor will sometimes give you a dose of man-made vasopressin to help figure out which type of diabetes insipidus you ...
阅读理解Stress is one of the most common causes of health problems in modern life. Too much stress results in physical, emotional, and mental health problems.There are numerous physical effects of stress. Stress can affect the heart. It can increase the pulse rate, make the heart miss beats...
Free Essay: What causes the change in heart rate and pulse rate with exercise is that during exercise, it requires the heart to pump more blood out to...
The majority of these reports include low numbers of patients. Tinnitus is a condition in which patients hear ringing or other sounds in one or both ears or generally within their head without an outside source of sound [15]. Tinnitus severity can range from mild to disabling. A subset of...
Anemia In Pregnancy Increases Risk Of Heart Defects What is the healthy response to stress? A key aspect of a healthy adaptational response to stress is the time course. Responses must be initiated rapidly, maintained for a proper amount of time, and then turned off to ensure an optimal resu...
During the long test, your doctor will closely measure your blood pressure, heart rate, and body weight. At the end of the test which usually lasts about 12 hours, your doctor will sometimes give you a dose of man-made vasopressin to help figure out which type of diabetes insipidus you ...