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Encyclopedia > Symptom

A symptom is a manifestation of a disease, indicating the nature of the disease, which is noticed by the patient. This may be contrasted to signs which are observed by a medical practitioner. A symptom is subjective,[1] observed by the patient,[2] and not measured.[3] In medicine, a sign is a feature of disease as detected by the doctor during physical examination of a patient. ...

Contents

Loose definition

A symptom may loosely be said to be a physical condition which indicates a particular illness or disorder.[4]


A given phenomenon, such as a rash, can be both a symptom and a sign-- it is a symptom when observed by the patient, and a sign when observed by the phycisian, as explained in below. A rash is a change in skin which affects its color, appearance, or texture. ... In medicine, a sign is a feature of disease as detected by the doctor. ...


Possible causes of a symptom

Some symptoms, such as nausea, occur in a wide range of disease processes, whereas other symptoms are fairly specific for a narrow range of illnesses. For example, a sudden loss of sight in one eye has a significantly smaller number of possible causes. For other uses, see Nausea (disambiguation). ... For other uses, see Eye (disambiguation). ...


Misleading symptoms

Some symptoms can be misleading to the patient or the medical practitioner caring for them. For example, inflammation of the gallbladder often gives rise to pain in the right shoulder, which may understandably lead the patient to attribute the pain to a non-abdominal cause such as muscle strain, rather than the real cause.sssshhhhhhiiiittttffffaaaccccceeee Cholecystitis is inflammation of the gall bladder. ... A strain is an injury to a muscle in which the muscle fibers tear as a result of overstretching. ...


Symptoms and diagnosis

The terms chief complaint, presenting symptom, or presenting complaint is used to describe the initial concern which brings a patient to a doctor. The symptom that leads to a diagnosis is called a cardinal symptom.poopy In general, diagnosis (plural diagnoses) has two distinct dictionary definitions. ...


Symptom vs sign

A symptom can more simply be defined as any feature which is noticed by the patient. A sign is noticed by the doctor or others. It is not necessarily the nature of the sign or symptom which defines it, but who observes it.


The same feature may be noticed by both doctor and patient, and so is at once both a sign and a symptom. A sign or a symptom may be one, the other, or both, depending on the observer(s).


Some features, such as pain, can only be symptoms. A doctor cannot feel a patient's pain. Others can only be signs, such as a blood cell count measured by a doctor or a laboratory. Schematics of shorthand for complete blood count commonly used by physicians. ... This article does not cite any references or sources. ...


Engineering definition

In engineering, symptom may be used to refer to an undesired effect occurring in a system. To eliminate the effect, a root cause analysis is performed which traces the symptom to its cause and again through the cause's cause and so on until the subsystem is identified that can be changed to eliminate the symptom. Engineering is the discipline of acquiring and applying knowledge of design, analysis, and/or construction of works for practical purposes. ... Root cause analysis (RCA) is a class of problem solving methods aimed at identifying the root causes of problems or events. ...


See also

. ... In general, diagnosis (plural diagnoses) has two distinct dictionary definitions. ... This article is about the medical term. ... A listing of diseases. ... // Adenoid disorders Adrenal disorders Allergic disorders Anorectal disorders Anxiety disorders Appendix disorders Articulation disorders Autonomic nerve disorders Balance disorders Behavioral disorders Bleeding disorders Cartilage disorders Cephalic disorders Chromosomal disorders Clotting disorders Communication disorders Conjunctival disorders Connective tissue disorders Cornea disorders Delusional disorders Depressive disorders Disc disorders Dissociative disorders Digestive disorders... Pathogenesis is the mechanism by which a certain etiological factor causes disease (pathos = disease, genesis = development). ... Symptomatic treatment is any medical therapy of a disease that only affects its symptoms, not its cause, i. ...

References

  1. ^ Pathology - Glossary
  2. ^ eMedicine/Stedman Medical Dictionary Lookup!
  3. ^ Devroede G (1992). "Constipation--a sign of a disease to be treated surgically, or a symptom to be deciphered as nonverbal communication?". J. Clin. Gastroenterol. 15 (3): 189–91. PMID 1479160. 
  4. ^ Longman Dictionary of Contemporary English (1995). Third edition.

Image File history File links Question_book-3. ...

External links

In medicine, chest pain is a symptom of a number of conditions and is generally considered a medical emergency, unless the patient is a known angina pectoris sufferer and the symptoms are familiar (appearing at exertion and resolving at rest, known as stable angina). When the chest pain is not... Suffocation redirects here, for the band, see Suffocation (band). ... Pleurisy, also known as pleuritis, is an inflammation of the pleura, the lining of the pleural cavity surrounding the lungs, which can cause painful respiration (also called pleuritic chest pain) and other symptoms. ... Respiratory arrest is the cessation of the normal tidal flow of the lungs due to paralysis of the diaphragm, collapse of the lung or any number of respiratory failures. ... This article does not cite any references or sources. ... Rales,crackles or crepitation, are the clicking, rattling, or crackling noises heard on auscultation of the lungs with a stethescope during inhalation. ... In medicine, a sign is a feature of disease as detected by the doctor during physical examination of a patient. ... what was here was sick and improperly spelled. ... The human abdomen (from the Latin word meaning belly) is the part of the body between the pelvis and the thorax. ... // R00-R99 - Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R09) Symptoms and signs involving the circulatory and respiratory systems (R00) Abnormalities of heart beat (R000) Tachycardia, unspecified (R001) Bradycardia, unspecified (R002) Palpitations (R008) Other and unspecified abnormalities of heart beat (R01) Cardiac murmurs and other... Abdominal pain can be one of the symptoms associated with transient disorders or serious disease. ... The term acute abdomen refers to a sudden, severe pain in the abdomen that is less than 24 hours in duration. ... Colic may refer to: Baby colic – a condition, usually in infants, characterized by incessant crying. ... For other uses, see Nausea (disambiguation). ... Emesis redirects here. ... Dysphagia () is a medical term defined as difficulty swallowing. ... Flatulence is the presence of a mixture of gases known as flatus in the digestive tract of mammals expelled from the rectum. ... Abdominal distension (or Distended abdomen) can be a sign of many other conditions, including: diverticulitis lactose intolerance obstructed bowel premenstrual syndrome pregnancy weight gain See also Gastric distension Bloating External links University of Maryland MedlinePlus/NIH Category: ... Bloating is any abnormal general swelling, or increase in diameter of the abdominal area. ... Burping, also known as belching, ructus, or eructation involves the release of gas from the digestive tract (mainly esophagus and stomach) through the mouth. ... This article is about the medical condition. ... Fecal incontinence is the loss of regular control of the bowels. ... Encopresis is involuntary fecal soiling in children who have usually already been toilet trained. ... Hepatosplenomegaly is the simultaneous enlargement of both the liver (hepatomegaly) and the spleen (splenomegaly). ... Hepatomegaly is the condition of having an enlarged liver. ... Splenomegaly is an enlargement of the spleen, which usually lies in the left upper quadrant (LUQ) of the human abdomen. ... Look up jaundice in Wiktionary, the free dictionary. ... Fecal occult blood is a term for blood present in the feces that is not visibly apparent. ... Halitosis, oral malodor (scientific term), breath odor, foul breath, fetor oris, fetor ex ore, or most commonly bad breath are terms used to describe noticeably unpleasant odors exhaled in breathing – whether the smell is from an oral source or not. ... In medicine, a sign is a feature of disease as detected by the doctor during physical examination of a patient. ... For other uses, see Skin (disambiguation). ... The subcutis is the layer of tissue directly underlying the cutis. ... // R00-R99 - Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R09) Symptoms and signs involving the circulatory and respiratory systems (R00) Abnormalities of heart beat (R000) Tachycardia, unspecified (R001) Bradycardia, unspecified (R002) Palpitations (R008) Other and unspecified abnormalities of heart beat (R01) Cardiac murmurs and other... Hypoesthesia refers to a reduced sense of touch or sensation, or a partial loss of sensitivity to sensory stimuli. ... Paresthesia or paraesthesia (in British English) is a sensation of tingling, pricking, or numbness of a persons skin with no apparent long-term physical effect, more generally known as the feeling of pins and needles or of a limb being asleep (but not directly related to the phenomenon of... Hyperesthesia (or Hyperaesthesia) is a condition that involves an abnormal increase in sensitivity to stimuli of the senses. ... A rash is a change in skin which affects its color, appearance, or texture. ... Cyanosis refers to the bluish coloration of the skin due to the presence of deoxygenated hemoglobin in blood vessels near the skin surface. ... Pallor is a reduced amount of oxyhemoglobin in skin or mucous membrane, a pale color which can be caused by illness, emotional shock or stress, avoiding excessive exposure to sunlight, anaemia or genetics. ... For a person to flush is to become markedly red in the face and often other areas of the skin, from various physiological conditions. ... minor Petechia A petechia (IPA pronunciation: ), plural petechiae (IPA pronunciation: ) is a small red or purple spot on the body, caused by a minor hemorrhage (broken capillary blood vessels). ... Desquamation is the shedding of the outer layers of the skin. ... Induration (indoo rāshən, -dyoo-), a noun, means, in terms of pathology, (a) hardening of an area of the body as a reaction to inflammation, hyperemia, or neoplastic infiltration, or (b) an area or part of the body that has undergone such a reaction. ... Diaphoresis is excessive sweating commonly associated with shock and other medical emergency conditions. ... In medicine, a sign is a feature of disease as detected by the doctor during physical examination of a patient. ... The nervous system is a highly specialized network whose principal components are nerves called neurons. ... The musculoskeletal system (also known as the locomotor system) is an organ system that gives animals the ability to physically move using the muscles and skeletal system. ... // R00-R99 - Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R09) Symptoms and signs involving the circulatory and respiratory systems (R00) Abnormalities of heart beat (R000) Tachycardia, unspecified (R001) Bradycardia, unspecified (R002) Palpitations (R008) Other and unspecified abnormalities of heart beat (R01) Cardiac murmurs and other... For the film see Tremors (film). ... A spasm is a sudden, involuntary contraction of a muscle, a group of muscles, or a hollow organ, or a similarly sudden contraction of an orifice. ... It has been suggested that this article or section be merged with Twitching. ... Athetosis is a continuous stream of slow, sinuous, writhing movements, typically of the hands and feet. ... Persons suffering from peripheral neuropathy experience numbness and tingling in their hands and feet. ... Explain the dystonias connected with motor coordination. ... For other uses, see Ataxia (disambiguation). ... Dysmetria (Greek: dificult to measure) is a symptom exhibited by patients after cerebellar injury. ... Dysdiadochokinesia is the medical term for an inability to perform rapid, alternating movements. ... Hypotonia is a condition of abnormally low muscle tone (the amount of tension or resistance to movement in a muscle), often involving reduced muscle strength. ... Diseases and other conditions that increase action potential frequency cause unwanted contraction of muscles. ... Meningism is the triad of nuchal rigidity, photophobia (intolerance of bright light) and headache. ... Hyperreflexia is defined as overactive or overresponsive reflexes. ... In medicine, a sign is a feature of disease as detected by the doctor during physical examination of a patient. ... The urinary system is the organ system that produces, stores, and eliminates urine. ... // R00-R99 - Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R09) Symptoms and signs involving the circulatory and respiratory systems (R00) Abnormalities of heart beat (R000) Tachycardia, unspecified (R001) Bradycardia, unspecified (R002) Palpitations (R008) Other and unspecified abnormalities of heart beat (R01) Cardiac murmurs and other... Renal colic is a type of pain commonly caused by kidney stones. ... In medicine, specifically urology, dysuria refers to any difficulty in urination. ... This article needs to be cleaned up to conform to a higher standard of quality. ... The tone or style of this article or section may not be appropriate for Wikipedia. ... Urinary retention also known as ischuria is a lack of ability to urinate. ... Oliguria and anuria are the decreased or absent production of urine, respectively. ... Polyuria is the passage of a large volume of urine in a given period. ... Nocturia is the need to get up during the night in order to urinate, thus interrupting sleep. ... Extravasation of urine refers to the condition where an interruption of the urethra leads to a collection of urine in other cavities, such as the scrotum. ... Uremia is a toxic condition resulting from renal failure, when kidney function is compromised and urea, a waste product normally excreted in the urine, is retained in the blood. ... In medicine, a sign is a feature of disease as detected by the doctor during physical examination of a patient. ... Look up Cognition in Wiktionary, the free dictionary. ... In psychology and the cognitive sciences, perception is the process of acquiring, interpreting, selecting, and organizing sensory information. ... In psychology and common terminology, emotion is the language of a persons internal state of being, normally based in or tied to their internal (physical) and external (social) sensory feeling. ... Behavior or behaviour refers to the actions or reactions of an object or organism, usually in relation to the environment. ... // R00-R99 - Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R09) Symptoms and signs involving the circulatory and respiratory systems (R00) Abnormalities of heart beat (R000) Tachycardia, unspecified (R001) Bradycardia, unspecified (R002) Palpitations (R008) Other and unspecified abnormalities of heart beat (R01) Cardiac murmurs and other... Anxiety is a physiological state characterized by cognitive, somatic, emotional, and behavioral components (Seligman, Walker & Rosenhan, 2001). ... Somnolence (or drowsiness) is a state of near-sleep, a strong desire for sleep, or sleeping for unusually long periods. ... For other uses, see Coma (disambiguation). ... For other uses, see Amnesia (disambiguation). ... Anterograde amnesia is a form of amnesia, or memory loss, in which new events are not transferred from short-term memory to long-term memory. ... Retrograde amnesia is a form of amnesia where someone will be unable to recall events that occurred before the onset of amnesia. ... Many different terms are often used to describe what is collectively known as dizziness. ... For other uses, see Vertigo. ... Anosmia is the lack of olfaction, or a loss of the ability to smell. ... Ageusia (pronounced ay-GOO-see-uh) is the loss of taste functions of the tongue, particularly the inability to detect sweetness, sourness, bitterness, and saltiness. ... This page is a candidate to be moved to Wiktionary. ... Parageusia is the medical term for a bad taste in the mouth. ... In medicine, a sign is a feature of disease as detected by the doctor during physical examination of a patient. ... Bold text This article does not cite any references or sources. ... The word voice can be used to refer to: Sound: The human voice. ... // R00-R99 - Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R09) Symptoms and signs involving the circulatory and respiratory systems (R00) Abnormalities of heart beat (R000) Tachycardia, unspecified (R001) Bradycardia, unspecified (R002) Palpitations (R008) Other and unspecified abnormalities of heart beat (R01) Cardiac murmurs and other... Speech disorders or speech impediments, as they are also called, are a type of communication disorders where normal speech is disrupted. ... Dysphasia should not be confused with the similarly pronounced dysphagia, which is a difficulty swallowing. ... For other uses, see Aphasia (disambiguation). ... Look up dysarthria in Wiktionary, the free dictionary. ... This article or section does not cite its references or sources. ... This article is about developmental dyslexia. ... Alexia (from the Greek , privative, expressing negation, and = word) is an acquired type of sensory aphasia where damage to the brain causes a patient to lose the ability to read. ... Agnosia (a-gnosis, non-knowledge, or loss of knowledge) is a loss of ability to recognize objects, persons, sounds, shapes, or smells while the specific sense is not defective nor is there any significant memory loss[1][2]. It is usually associated with brain injury or neurological illness, particularly after... Apraxia is a neurological disorder characterized by loss of the ability to execute or carry out learned (familiar) movements, despite having the desire and the physical ability to perform the movements. ... This article or section is in need of attention from an expert on the subject. ... Dysgraphia (or agraphia) is a deficiency in the ability to write, regardless of the ability to read, not due to intellectual impairment. ... Speech disorders or speech impediments, as they are also called, are a type of communication disorders where normal speech is disrupted. ... Lisp may mean: Lisp programming language Lisp (speech) This is a disambiguation page — a list of pages that otherwise might share the same title. ... Aphasia is a loss or impairment of the ability to produce or comprehend language, due to brain damage. ... In medicine, a sign is a feature of disease as detected by the doctor during physical examination of a patient. ... // R00-R99 - Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R09) Symptoms and signs involving the circulatory and respiratory systems (R00) Abnormalities of heart beat (R000) Tachycardia, unspecified (R001) Bradycardia, unspecified (R002) Palpitations (R008) Other and unspecified abnormalities of heart beat (R01) Cardiac murmurs and other... An analogue medical thermometer showing the temperature of 38. ... In medicine, hyperpyrexia is an excessive and unusual elevation of body temperature above 107. ... A headache (cephalgia in medical terminology) is a condition of pain in the head; sometimes neck or upper back pain may also be interpreted as a headache. ... Chronic pain was originally defined as pain that has lasted 6 months or longer. ... Malaise is a feeling of general discomfort or uneasiness, an out of sorts feeling, often the first indication of an infection or other disease. ... Exhaustion redirects here. ... Asthenia (Greek: ασθένεια, lit. ... It has been suggested that Central Ischaemic Response be merged into this article or section. ... Vasovagal syncope is the most common cause of syncope, also known as fainting. ... A febrile seizure, also known as a fever fit or febrile convulsion is a generalized convulsion caused by elevated body temperature. ... This article is about the medical condition. ... Cardiogenic shock is based upon an inadequate circulation of blood due to primary failure of the ventricles of the heart to function effectively. ... Lymphadenopathy is a term meaning disease of the lymph nodes. ... This page is about the condition called edema. ... Peripheral edema ... Anasarca is a medical symptom characterised by widespread swelling of the skin due to effusion of fluid into the extracellular space. ... Primary hyperhidrosis is the condition characterized by abnormally increased perspiration, in excess of that required for regulation of body temperature. ... Sleep hyperhidrosis, more commonly known as the night sweats, is the occurrence of excessive sweating (hyperhidrosis) during sleep. ... The term Delayed milestone (or developmental delays) is used to describe the condition where a child does not reach one of these stages at the expected age. ... Failure to thrive is a medical term which denotes poor weight gain and physical growth failure over an extended period of time in infancy. ... People who are shorter have short stature. ... Idiopathic short stature (ISS) refers to extreme short stature that does not have a diagnostic explanation (idiopathic designates a condition that is unexplained or not understood) after an ordinary growth evaluation. ... This article is about the symptom of decreased appetite. ... Polydipsia is a medical condition in which the patient ingests abnormally large amounts of fluids by mouth. ... Phagy or phagia is an ecological term that is used to identify particular nutritional systems. ... Xerostomia is the medical term for a dry mouth due to a lack of saliva. ... For other uses, see Clubbing (disambiguation). ...

  Results from FactBites:
 
Symptom - Glossary Entry - Genetics Home Reference (94 words)
Symptom - Glossary Entry - Genetics Home Reference
Some examples of symptoms are headache, fever, fatigue, nausea, vomiting, and pain.
Subjective evidence of disease or physical disturbance observed by the patient symptom of many diseases> symptom of retinal arteriosclerosis>; broadly: something that indicates the presence of a physical disorder.
symptom: definition, usage and pronunciation - YourDictionary.com (97 words)
"The affair is a symptom of a global marital disturbance; it is not the disturbance itself"
Something visible or evident that gives grounds for believing in the existence or presence of something else: badge, evidence, index, indication, indicator, manifestation, mark, note, sign, signification, stamp, token, witness.
, symptom of a disease, from Medieval Latin
  More results at FactBites »

 
 

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