Pneumonia: Causes, symptoms and treatment

Definition Pneumonia is an infection in one or both lungs. It can be caused by bacteria, viruses, or fungi. Bacterial pneumonia is the most common type in adults. Pneumonia causes inflammation in the air sacs in your lungs, which are called alveoli. The alveoli fill with fluid or pus, making …

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Aphasia: causes, symptoms, complications and treatment

Definition Aphasia is a communication disorder that occurs due to brain damage in one or more areas that control language. It can interfere with your verbal communication, written communication, or both. It can cause problems with your ability to: Read Write Speak Understand speech Listen According to the National Aphasia …

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Angina: Treatment, causes, and symptoms

Definition Angina is chest pain, discomfort, or tightness that occurs when an area of the heart muscle receives decreased blood oxygen supply. It is not a disease itself, but rather a likely symptom of coronary artery disease, the most common type of heart disease. The lack of oxygen-rich blood to …

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Agnosia: Causes, risk factors and treatment

Definition Agnosia is a rare neurological disorder which causes the loss of ability to recognize any familiar person, object and sounds or the ability to comprehend the meaning of any object or difficulty in processing sensory information, such as touch, sound, and light even in the presence of intact senses. …

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Achondroplasia: symptoms, causes, diagnosis and treatment

Definition Achondroplasia is a bone growth disorder that causes disproportionate dwarfism. Dwarfism is defined as a condition of short stature as an adult. People with achondroplasia are short in stature with a normal sized torso and short limbs. It’s the most common type of disproportionate dwarfism. History Achondroplasia was discovered …

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Diphtheria: types, causes, symptoms and prevention

Definition Diphtheria is an infectious disease caused by the Corynebacterium species of bacteria and is most often associated with a sore throat, fever, and the development of an adherent membrane on the tonsils and/or nasopharynx. Severe infections can affect other organ systems such as the heart and the nervous system. …

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Osteoporosis: Definition, causes, diagnosis and prevention

Definition Osteoporosis is a condition characterized by a decrease in the density of bone, decreasing its strength and resulting in fragile bones. Osteoporosis literally leads to abnormally porous bone that is compressible, like a sponge. This disorder of the skeleton weakens the bone and results in frequent fractures (breaks) in …

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Attention-Deficit/Hyperactivity Disorder (ADHD): Causes, Complications and Treatment.

Introduction Attention-deficit/hyperactivity disorder (ADHD) is a brain disorder marked by an ongoing pattern of inattention and/or hyperactivity-impulsivity that interferes with functioning or development. ADHD has three subtypes Predominantly hyperactive-impulsive Most symptoms (six or more) are in the hyperactivity-impulsivity categories. Fewer than six symptoms of inattention are present, although inattention may …

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Cushing syndrome: Symptoms, Treatment and Prognosis.

Definition Cushing’s syndrome is a debilitating endocrine disorder characterized by excessive cortisol levels in the blood which may be the result of a tumor of the pituitary gland, adrenal glands (located above the kidneys) or from tumors or cancer arising elsewhere in the body (ectopic ACTH producing tumors). Cushings disease …

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AAA Syndrome: Causes, Symptoms and complications.

Introduction AAA syndrome is a rare autosomal recessive disorder characterized by adrenocorticotropic hormone (ACTH)-resistant adrenal insufficiency, alacrima and achalasia. Primary adrenal insufficiency or also known as Addison disease, is caused by abnormal function of the small hormone-producing glands on top of each kidney (adrenal glands). The main features of Addison …

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