Fatigue

Introduction Fatigue, also known as fatigue, is subjectively a feeling of discomfort that is fatigued and weak. However, objectively, under the same conditions, they will lose their ability to perform their normal activities or work. Any disease can develop fatigue at a certain stage, so there are many diseases that can cause fatigue.

Cause

(1) Infectious diseases

A variety of infectious diseases caused by viruses, bacteria, rickettsia, spirochetes, fungi, mycoplasma, protozoa, helminths, etc., especially with infectious diseases of fever, fatigue is more obvious.

(2) Nutritional metabolism and endocrine diseases: malnutrition, beriberi, scurvy, diabetes, hypoglycemia, obesity, renal tubular acidosis, hyperthyroidism, hypothyroidism, diabetes insipidus, etc.

(3) Allergic reactions and connective tissue diseases: serum disease, drug fever, SLE, rheumatic fever, dermatomyositis. Polymyositis, scleroderma, nodular polyarteritis, etc.

(4) Malignant tumors: malignant tumors found in various systems.

(5) Other system diseases: systemic diseases such as digestion, circulation, urinary, hematopoietic and respiratory diseases.

an examination

Related inspection

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Understand the length of symptoms, work intensity, rest and sleep, past health status, history of exposure to toxic substances, and other accompanying symptoms such as fever, long-term diarrhea, and loss of appetite. Pregnancy and other conditions.

Physical examination

Pay attention to body temperature, nutritional status, and whether the skin mucosa has yellow staining. Liver palm, spider mites, lymph nodes are swollen; whether the thyroid is swollen, whether there is noise, cardiopulmonary function, liver, card is swollen, with or without tenderness, pain, edema in the extremities, varicose veins in the lower extremities.

Laboratory inspection

1, the test of blood, metabolism and endocrine system diseases, relying on blood, bone marrow examination and blood sugar, blood endocrine hormones and other biochemical and radioimmunoassay, liver and kidney function determination. Select appropriate laboratory tests based on medical history, symptoms, and signs.

2, equipment examination ECG, X-ray, ultrasound, CT, kidney map and other examinations have important value in understanding the function and structure of heart, lung, kidney, liver and other organs.

Differential diagnosis

Tension fatigue: A state of tension that is long-term under stress, causing the body to be in a sub-healthy state of fatigue, severely forming a tension-sleep disorder. In the fatigue test, the normal range is 60-80, and the excess of 80 is fatigue. Can have insufficient energy, memory loss, slow thinking, insomnia and other performance.

Exercise fatigue is defined as: "The physiological process of the body cannot continue its function at a certain level or maintain the predetermined exercise intensity." Exhaustion is a special form of fatigue, which is to continue exercising during fatigue until the muscle or organ cannot Maintaining exercise is exhaustion. Physical fatigue is mainly manifested in decreased exercise capacity; psychological fatigue is mainly manifested in behavioral changes. Fatigue can occur in all parts of the body, from central cerebral cortical cells to basic contractile units of skeletal muscle. According to the research results, physical fatigue is divided into central fatigue and peripheral fatigue. Central fatigue refers to a lack of motivation, changes in the transmission or recruitment of the central nervous system. Peripheral fatigue includes a decrease in the ability of joint transfer, muscle point activity, and muscle contraction activity. Only physical fatigue is described here.

Emotional fatigue refers to people who have been engaged in some monotonous and mechanical work activities for a long time. With the changes in the biochemistry of the body, the central nerve cells of the central body are inhibited due to continuous tension, resulting in a significant decrease in the enthusiasm and interest in work for life until the occurrence. Tired of emotions. The main manifestation of emotional fatigue is behavioral change. Fatigue can occur in all parts of the body, from central cerebral cortical cells to basic contractile units of skeletal muscle.

Hearing fatigue: It is only a temporary physiological phenomenon, and the hearing organs are not damaged. If working under strong noise for many years, the inner auditory organs are often stimulated by strong noise, and this auditory fatigue will be fixed and will not return to normal, resulting in permanent hearing loss or hearing threshold shift. This phenomenon is called noise deafness.

Eye fatigue is a common disease in ophthalmology. It causes dry eyes, eyelids, sore eyes, blurred vision and even decreased vision, which directly affects people's work and life. Eye fatigue is mainly caused by the fact that when people are concentrating on the computer screen, the number of blinks in the eyes is reduced, resulting in a corresponding decrease in tear secretion, and the flashing screen is strongly irritating to the eyes. It can cause pain in the neck, shoulders and other parts of the person, and can cause and aggravate various eye diseases.

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