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If thirst mechanisms are normal and you drink enough fluids, there are no significant effects on body fluid or salt balance. Not drinking enough fluids can lead to the following complications:Dehydration Dry skinDry mucus membranesFeverRapid hea...
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Uncomplicated diabetes insipidus is controllable with adequate intake of water and most patients can lead normal lives.
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Fever is the temporary increase in the body''s temperature, in response to some disease or illness.A child has a fever when their temperature is at or above one of these levels:.100.4°F(38°C) measured in the bottom(rectally) 99.5°F(3...
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The nervous system constantly relays information about the body''s temperature to the thermostat, which in turn activates different physical responses designed to cool or warm the body, depending on the circumstances. These responses include: decre...
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Fever is defined as an abnormally high body temperature or a regulated rise to a new set point of body temperature. While a body temperature above 100°F(37.8°C) is considered to be a fever by some clinicians, a significant fever is usual...
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A fever is any body temperature elevation over 100°F(37.8°C).A healthy person''s body temperature fluctuates between 97°F(36.1°C) and 100°F(37.8°C), with the average being 98.6°F(37°C). The body maintains sta...
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While the standard for normal body temperature is 98.6°F(37°C), normal body temperatures actually fluctuate within a range of one to two degrees, making it impossible to formulate a precise definition of fever based on a specific tempera...
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Early morning body temperature may be as low as 97°F, and as high as 99.3°F in the afternoon hours yet still be considered normal. Higher temperatures may be observed in healthy people, but an abnormal elevation(pyrexia) is classified as...
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Hyperthermia involves raising the body''s core temperature as a means of eradicating tumors. The treatment simulates fever.
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Hyperthermia is the use of therapeutic heat to treat various cancers on and inside the body.The purpose of hyperthermia is to shrink and hopefully destroy cancer without harming noncancerous cells. It can be used to treat cancer in many areas of t...
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A headache is pain or discomfort in the head, scalp, or neck. Serious causes of headaches are extremely rare.
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The extracranial and intracranial pain-sensitive structures all project pain sensation to the cranial surface, usually fairly near to the source of pain. Because many such sources register their pain in the same general area, a pain in any location may represent disordered function in any of several structures, intracranial or extracranial.
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A headache is a pain in the head and neck region that may be either a disorder in its own right or a symptom.
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A headache signifies activation of the primary afferent fibers that innervate cephalic blood vessels, chiefly meningeal or cerebral blood vessels. Most nociceptive fibers innervating these structures arise from pseudounipolar neurons located within the trigeminal ganglia (first division), although some may be located within the upper cervical ganglia.
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A headache involves pain in the head which can arise from many disorders or may be a disorder in and of itself.There are three types of primary headaches: tension-type(muscular contraction headache), migraine(vascular headaches), and cluster. Virt...
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A headache involves pain in the head that can arise from many disorders or may be a disorder in and of itself.Headaches can be categorized as primary or secondary. Primary headaches occur independently and are not the result of another medical pro...
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Headache is a pain in the head and neck region that may be either a disorder in its own right or a symptom of an underlying medical condition or disease. The medical term for headache is cephalalgia.
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Fatigue is a feeling of weariness, tiredness, or lack of energy.Fatigue is different from drowsiness. In general, drowsiness is feeling the need to sleep, while fatigue is a lack of energy and motivation.
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Fatigue is physical and/or mental exhaustion that can be triggered by stress, medication, overwork, or mental and physical illness or disease.Everyone experiences fatigue occasionally. It is the body''s way of signaling its need for rest and sleep.
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Fatigue may be defined as a subjective state in which one feels tired or exhausted, and in which the capacity for normal work or activity is reduced. There is, however, no commonly accepted definition of fatigue when it is considered in the contex...
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Fatigue may be defined as a subjective state in which one feels tired or exhausted, and in which the capacity for normal work or activity is reduced. There is, however, no commonly accepted definition of fatigue when it is considered in the contex...
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Fatigue is physical and/or mental exhaustion that can be triggered by stress, medication, overwork, or mental and physical illness or disease.Everyone experiences fatigue occasionally. It is the body''s way of signaling its need for rest and sleep.
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Fatigue is a feeling of exhaustion or loss of strength. The duration of fatigue for a patient with cancer has been found to last from one to two times the length of time between diagnosis and completion of treatment, so it is common for fatigue to...
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Dehydration means your body does not have as much water and fluids as it should. Dehydration can be caused by losing too much fluid, not drinking enough water or fluids, or both.
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Dehydration is the excessive loss of water from the body. Water can be lost through urine, sweat, feces, respiration, and through the skin.
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Dehydration is the loss of water and salts that are essential for normal body function.Dehydration occurs when the body loses more fluid than it takes in. Dehydration can upset the delicate fluid-salt balance needed to maintain healthy cells and t...
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Dehydration is the excessive loss of water from body tissues accompanied by an imbalance in essential electrolytes, such as sodium, potassium, and chloride.Dehydration occurs when the body loses more fluid than it takes in. Dehydration can be caus...
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Dehydration is the loss of water and salts essential for normal body function.Dehydration occurs when the body loses more fluid than it takes in. This condition can result from illness; a hot, dry climate; prolonged exposure to sun or high tempera...
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Age and weight lossQuestion:Why does it get harder to lose weight with age?Answer:One must burn more calories than one takes in to lose weight at any age. This can be done either with caloric restriction or with exercise.
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A heart attack is when blood vessels that supply blood to the heart are blocked, preventing enough oxygen from getting to the heart. The heart muscle dies or becomes permanently damaged.
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A heart attack is the death of, or damage to, part of the heart muscle because its blood supply is severely reduced or stopped.Heart attack is the leading cause of death in the United States. Approximately every 29 seconds one American will have a...
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A myocardial infarction, or heart attack, is the death or damage of part of the heart muscle because the supply of blood to the heart muscle is severely reduced or stopped.Myocardial infarction(MI) is the leading cause of death in the United State...
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A heart attack is the death of, or damage to, part of the heart muscle because the supply of blood to the heart muscle is severely reduced or stopped.Heart attack is the leading cause of death in the United States. More than 1.5 million Americans ...
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Acute(sudden) kidney failure is the sudden loss of the ability of the kidneys to remove waste and concentrate urine without losing electrolytes.Kidney failure; Renal failure; Renal failure- acute; ARF; Kidney injury- acute.There are many possible ...
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Chronic kidney failure occurs when disease or disorder damages the kidneys so that they are no longer capable of adequately removing fluids and wastes from the body or of maintaining the proper level of certain kidney-regulated chemicals in the bl...
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Chronic kidney failure occurs when disease or dis- order damages the kidneys so that they can no longer adequately remove fluids and wastes from the body or maintain proper levels of kidney-regulated chemicals in the bloodstream.Chronic kidney fai...
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The term"irritability" is used for infants and young children who, when ill, are especially fussy, whiny, and fretful, despite attempts at comforting and soothing them.Parents are usually very aware of their child''s normal behavior and may pick up...
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It is normal to have periods of low energy when one needs to rest and recuperate. However, if low energy persists and a person continually feels sluggish, disinterested in life, and has low energy, the situation should be investigated by a physician.
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Dry mouth, known medically as xerostomia, is the abnormal reduction of saliva due to medication, disease, or medical therapy.Dry mouth due to the lack of saliva can be a serious medical problem. Decreased salivation can make swallowing difficult, ...
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Xerostomia, also known as dry mouth, is marked by a significant reduction in the secretion of saliva. Signs and symptoms of xerostomia include:.cracked lips, cuts, or cracks at the corners of the mouth.difficulty wearing dental appliances(like den...
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Dry mouth, known medically as xerostomia, is the abnormal reduction of saliva due to medication, disease, or medical therapy.Dry mouth due to the lack of saliva can be a serious medical problem. Decreased salivation can make swallowing difficult, ...
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Muscle aches and pains are common and can involve more than one muscle. Muscle pain also can involve ligaments, tendons, and fascia, the soft tissues that connect muscles, bones, and organs.
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Paroxysmal supraventricular tachycardia(PSVT) is an occasional rapid heart rate."Paroxysmal" means from time to time.Normally, the chambers of the heart(atria and ventricles) contract in a coordinated manner.
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The heart rate, usually measured by checking the arterial pulse or sounds counting the times of the heart beat, is considered one of the vital signs. Vital signs – body temperature, pulse, breathing rate, and blood pressure provide information about the state of health of a person and, if abnormal, offer clues to problems.
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Xerosis is an abnormal dryness of the skin or mucus membranes.
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Unintentional weight loss is a decrease in body weight that is not voluntary. In other words, you did not try to loss the weight by dieting or exercising.
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Weight loss is a reduction in body mass characterized by a loss of adipose tissue(body fat) and skeletal muscle.Unintentional weight loss is the most common symptom of cancer and often a side effect of cancer treatments. A poor response to cancer ...
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Intestinal ischemia and infarction is the death of part of the intestine due to its blood supply being cut off.Intestinal necrosis; Ischemic bowel; Dead bowel; Dead gut.There are several possible causes of intestinal ischemia and infarction.Hernia...
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Sunken fontanelles are an obvious curving in of the"soft spot" in an infant''s head.
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A fluid imbalance occurs when the level of body fluids is abnormal.Many illnesses can cause fluid imbalance. A fluid imbalance also can occur after any type of surgery.It is common to retain large amounts of fluid for several days after surgery(ca...
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