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- Dysphasia should not be confused with the similarly pronounced dysphagia, which is a difficulty swallowing.
Dysphasia (/dɪsˈfe(ɪ)zjə/) is a language disorder in which there is an impairment of speech and of comprehension of speech. It is caused by brain damage, usually in the left side of the brain which is responsible for language and communication. The word comes from the Greek dys- (impairment) and phasia (φασια) (speech).
The term dysphasia has been eclipsed by the modern usage of the term "aphasia" particularly in the field of speech/language pathology so as not to confuse with the swallowing disorder "dysphagia". Aphasia literally means no speech. But the speech impairment in aphasia could range from complete absence of speech to difficulty in naming a few objects. Aphasia is generally tested on the basis of comprehension of speech, fluency of speech, repetition, and naming of objects. On this basis, aphasia can be classified as global aphasia, wernicke's aphasia, broca's aphasia, conduction aphasia, transcortical motor aphasia, transcortical sensory aphasia, or anomic aphasia.
Video on Dysphasia
See also
External links
| Symptoms and signs (R00-R69, 780-789) |
|---|
Circulatory and
respiratory systems |
Tachycardia - Bradycardia - Palpitation - Heart murmur - Nosebleed - Hemoptysis - Cough - abnormalities of breathing (Dyspnea, Orthopnoea, Stridor, Wheeze, Cheyne-Stokes respiration, Hyperventilation, Mouth breathing, Hiccup, Bradypnea, Hypoventilation) - Chest pain - Asphyxia - Pleurisy - Respiratory arrest - Sputum - Bruit |
|---|
| Digestive system and abdomen |
Abdominal pain - Acute abdomen - Nausea - Vomiting - Heartburn - Dysphagia - Flatulence - Burping - Fecal incontinence - Encopresis - Hepatomegaly - Splenomegaly - Hepatosplenomegaly - Jaundice - Ascites - Fecal occult blood - Halitosis |
|---|
| Skin and subcutaneous tissue |
disturbances of skin sensation (Hypoesthesia, Paresthesia, Hyperesthesia) - Rash - Cyanosis - Pallor - Flushing - Petechia - Desquamation - Induration |
|---|
Nervous and
musculoskeletal systems |
abnormal involuntary movements (Tremor, Spasm, Fasciculation, Athetosis) - Gait abnormality - lack of coordination (Ataxia, Dysmetria, Dysdiadochokinesia, Hypotonia) - Tetany - Meningism - Hyperreflexia |
|---|
| Urinary system |
Dysuria - Vesical tenesmus - Urinary incontinence - Urinary retention - Oliguria - Polyuria - Nocturia |
|---|
Cognition, perception,
emotional state and behaviour |
Anxiety - Somnolence - Coma - Amnesia (Anterograde amnesia, Retrograde amnesia) - Dizziness/Vertigo - smell and taste (Anosmia, Ageusia, Parosmia, Parageusia) |
|---|
| Speech and voice |
speech disturbances (Dysphasia, Aphasia, Dysarthria) - symbolic dysfunctions (Dyslexia, Alexia, Agnosia, Apraxia, Acalculia, Agraphia) - voice disturbances (Dysphonia, Aphonia) |
|---|
| General symptoms and signs |
Fever (Hyperpyrexia) - Headache - Chronic pain - Malaise - Fatigue - Fainting (Vasovagal syncope) - Febrile seizure - Shock (Cardiogenic shock) - Lymphadenopathy - Edema (Peripheral edema, Anasarca) - Hyperhidrosis (Sleep hyperhidrosis) - Delayed milestone - Failure to thrive - food and fluid intake (Anorexia, Polydipsia, Polyphagia) - Cachexia - Xerostomia - Clubbing |
|---|
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