Categories: Disease stubs | Aphasia Visual agnosia is the inability of the brain to make sense of or make use of some part of otherwise normal visual stimulus, and is typified by the inability to recognize familiar objects or faces. ... This article is about developmental dyslexia. ... The term symptom (from the Greek meaning chance, mishap or casualty, itself derived from συμπιπτω meaning to fall upon or to happen to) has two similar meanings in the context of physical and mental health: Strictly, a symptom is a sensation or change in health function experienced by a patient. ... 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... Diagram of the human circulatory system. ... The Respiratory System Among four-legged animals, the respiratory system generally includes tubes, such as the bronchi, used to carry air to the lungs, where gas exchange takes place. ... This article or section does not cite any references or sources. ... Bradycardia, as applied in adult medicine, is defined as a heart rate of under 60 beats per minute, though it is seldom symptomatic until the rate drops below 50 beat/min [1]. It is also less commonly known as brachycardia. ... This article does not cite any references or sources. ... Murmurs are abnormal heart sounds that are produced as a result of turbulent blood flow, which is sufficient to produce audible noise. ... A nosebleed or nosebleedage, medically known as epistaxis, is the relatively common occurrence of hemorrhage (bleeding) from the nose, usually noticed when it drains out through the nostrils. ... Hemoptysis (US English) or haemoptysis (International English) is the expectoration (coughing up) of blood or of blood-stained sputum from the bronchi, larynx, trachea, or lungs (e. ... Dyspnea (R06. ... Orthopnoea is breathing difficulty which occurs when lying flat. ... Stridor is a high pitched sound heard on inspiration that is indicative of airway obstruction. ... A wheeze is a continuous, coarse, whistling sound produced in the respiratory airways during breathing. ... Cheyne-Stokes respiration is an abnormality of the pattern of breathing. ... In medicine, hyperventilation (or hyperpnea) is the state of breathing faster or deeper (hyper) than necessary, and thereby reducing the carbon dioxide concentration of the blood below normal. ... Mouth breathing refers to the state of inhaling and exhaling through the mouth. ... For information on Hydrophobic Interaction Chromatography, see Chromatography. ... 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 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. ... Bruit is the term for the unusal sound that blood makes when it rushes past an obstruction in an artery when the sound is observed with a stethoscope. ... For the Physics term GUT, please refer to Grand unification theory The gastrointestinal or digestive tract, also referred to as the GI tract or the alimentary canal or the gut, is the system of organs within multicellular animals which takes in food, digests it to extract energy and nutrients, and... The abdomen is a part of the body. ... 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. ... For the Beck song, see Nausea (song). ... Vomiting (also throwing up or emesis) is the forceful expulsion of the contents of ones stomach through the mouth and sometimes the nose. ... Dysphagia () is a medical term defined as difficulty swallowing. ... Flatulence (expelled through the anus in a process commonly known as farting or emitting gas) is the presence of a mixture of gases known as flatus in the digestive tract of mammals. ... Burping, also known as belching, ructus, or eructation is the release of gas from the digestive tract (mainly esophagus and stomach) through the mouth. ... The tone or style of this article or section may not be appropriate for Wikipedia. ... Encopresis is involuntary fecal soiling in children who have usually already been toilet trained. ... 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. ... Hepatosplenomegaly is the simultaneous enlargement of both the liver (hepatomegaly) and the spleen (splenomegaly). ... Jaundice, also known as icterus (attributive adjective: icteric), is a yellowing of the skin, conjunctiva (a clear covering over the sclera, or whites of the eyes) and mucous membranes caused by increased levels of bilirubin in red blooded animals. ... 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, 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. ... Beyond overall skin structure, refer below to: See-also. ... The subcutis is the layer of tissue directly underlying the cutis. ... 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. // Transient paresthesia is the temporary sensation of tingling... 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. ... This article does not cite any references or sources. ... 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. ... The Human Nervous System A human being coordinates its nervous system, the activity of the muscles, monitors the organs, constructs and also stops input from the senses, and initiates actions. ... The musculoskeletal system is an organ system that gives animals the ability to physically move, by using the muscles and skeletal system. ... 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. ... Persons suffering from peripheral neuropathy experience numbness and tingling in their hands and feet. ... 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. ... It has been suggested that this article or section be merged into Excretory system. ... 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. ... 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. ... This article includes a list of works cited or a list of external links, but its sources remain unclear because it lacks in-text citations. ... Somnolence (or drowsiness) is a state of near-sleep, a strong desire for sleep, or sleeping for unusually long periods. ... In medicine, a coma (from the Greek koma, meaning deep sleep) is a profound state of unconsciousness. ... Amnesia or amnæsia (from Greek ) (see spelling differences) is a condition in which memory is disturbed. ... Anterograde amnesia is a form of amnesia, or memory loss, where new events are not transferred 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. ... // Pre-syncope is a sensation of feeling faint. ... Anosmia is the lack of olfaction, or a loss of the ability to smell. ... This page is a candidate to be moved to Wiktionary. ... Parageusia is the medical term for a bad taste in the mouth. ... Speech communication is the aural form of transferring ideas, thoughts, instructions and/or directives utilizing the speakers vocal chords and mouth to stimulate the air, thus causing waves of sound to strike the audible receptors of the hearer, resulting in a transformation back into mental images and/or symbols... The word voice can be used to refer to: Sound: The human voice. ... Speech disorders or speech impediments, as they are also called, are a type of communication disorders where normal speech is disrupted. ... Dysphasia is a speech disorder in which there is an impairment of speech and of comprehension of speech. ... Look up aphasia in Wiktionary, the free dictionary. ... Look up dysarthria in Wiktionary, the free dictionary. ... This article is about developmental dyslexia. ... Agnosia (a-gnosis, non-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. ... 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 difficulty writing coherently, if at all, regardless of ability to read. ... 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. ... The term symptom (from the Greek meaning chance, mishap or casualty, itself derived from συμπιπτω meaning to fall upon or to happen to) has two similar meanings in the context of physical and mental health: Strictly, a symptom is a sensation or change in health function experienced by a patient. ... In medicine, a sign is a feature of disease as detected by the doctor during physical examination of a patient. ... This article needs additional references or sources for verification. ... In medicine, hyperpyrexia is an excessive and unusual elevation of body temperature above 107. ... A headache (cephalalgia 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. ... “Fatigue (physical)” redirects here. ... It has been suggested that Central Ischaemic Response be merged into this article or section. ... 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. ... 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. ... Anorexia (deriving from the Greek α(ν)- (a(n)-, a prefix that denotes absence) + όρεξη (orexe) = appetite) is the decreased sensation of 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. ... Clubbing is also used to refer to the activity of gathering socially at nightclubs. ...