Category: Dv-Dz

  • Dysuria

    Pain during urination, or difficulty urinating. Dysuria is usually caused by inflammation of the urethra, frequently as a result of infection.

  • Dystrophic calcification

    Dystrophic calcification: deposition of calcium (as calcium phosphate crystals) in body tissues in areas that have been injured or damaged. Calcium deposits may form when there is necrosis (tissue death) due to injury or other damage, such as infiltration by a tumor. Calcium may also be present in surgical sites or areas where devices have been implanted in…

  • Dystonia

    Involuntary movements and prolonged muscle contraction that result in twisting body motions, tremors, and abnormal posture. These movements may involve the entire body or only an isolated area. Dystonia can be inherited, may occur sporadically without any genetic pattern, may be associated with medications (particularly antipsychotic drugs), or may be a symptom of certain diseases (for example, a specific form of…

  • Dysthymia

    A type of depression involving long-term, chronic symptoms that are not disabling, but keep a person from functioning at “full steam” or from feeling good. Dysthymia is a less severe type of depression than what is accorded the diagnosis of major depression. However, people with dysthymia may also sometimes experience major depressive episodes, suggesting that there is a…

  • Dyspnoea

    Difficult or labored breathing; shortness of breath. Dyspnoea may be a sign of serious disease of the airway, lungs, or heart. The onset of dyspnoea should not be ignored and is reason to seek medical attention. Dyspnoea is the British spelling. The American spelling is dyspnea.

  • Dyspnea

    Difficult or labored breathing; shortness of breath. Dyspnea is a sign of serious disease of the airway, lungs, or heart. The onset of dyspnea should not be ignored; it is reason to seek medical attention.

  • Dysplasia

    Abnormality in form or development. For example, retinal dysplasia is abnormal formation of the retina during embryonic development.

  • Dysphoria

    Anxiety.

  • Dysphonia

    An impairment of the voice. Difficulty in speaking. Hoarseness caused by a virus is a common form of dysphonia.

  • Dysphasia

    One in a group of speech disorders in which there is impairment of the power of expression by speech, writing, or signs, or impairment of the power of comprehension of spoken or written language. More severe forms of dysphasia are called aphasia. From dys- meaning difficult, painful, bad, disordered, abnormal + the Greek phasis meaning speech.