Stress is a fact of nature in which forces from the inside or outside world affect the individual, either one's emotional or physical well-being, or both. The individual responds to stress in ways that affect the individual, as well as their environment. Due to the overabundance of stress ...
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...
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...
Compared with most other viral respiratory infections, such as the common cold, influenza (flu) infection usually causes a more severe illness with a mortality rate (death rate) of about 0.1% of people infected with the virus. Cold symptoms (for example, sore throat, runny nose, cough (with...
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 ...
(A) Filtered backprojection image obtained at low dose (50 mA) is extremely noisy. (B) Model-based iterative reconstruction of the same low-dose scan (50 mA) has dramatically reduced noise, revealing new soft-tissue details. In particular, note the nodular cirrhotic liver and the details in...
High blood pressure or irregularities in heart rate Behavioral symptoms related to mental exhaustion: Inability to sit still, difficulty relaxing Forgetfulness, trouble concentrating, reduced focus, procrastinating Isolating oneself from others A sense of “going through the motions” Lashing out at friends...
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...
(modulated). This control usually is accomplished by a feedback mechanism in which increased cortisol levels feeding back to the hypothalamus and pituitary turn off the production of ACTH. In addition, extremely high levels of cortisol can cause mental changes, including depressionand psychosis, ...
Level of dehydrationEstimated fluid lossSigns and symptoms Minimal<3% of body weightnone Mild to moderate<10% of body weightFussy, tired, irritable child. Dry mucous membranes (mouth, tongue), increased heart rate, increased breathing rate, decreased urine output, increased thirst ...