What Is Attention Deficit Hyperactive Disorder (ADHD)? Attention deficit hyperactive disorder (ADHD) is a maladaptive behavioral disorder characterized by a persistent pattern of inattention and impulsivity, or both, that are developmentally (age) inappropriate. For these problems to be diagnosed as ...
Read More »Short Stature
What Is Short Stature? Short stature means the individual has not reached a normal height as a result of failure to thrive and severe growth delay in children.1 What Is Short Stature In Celiac Disease and/or Gluten Sensitivity? Catassi C, ...
Read More »Rickets
What Is Rickets? Rickets is a disorder of cartilage cell growth and enlargement of epiphyseal growth plates in young children that is characterized by inadequate mineralization of developing cartilage and newly formed bone. The epiphyseal growth plate is located at the ends ...
Read More »Turner’s Syndrome
What Is Turner Syndrome? Turner syndrome is a sex chromosome abnormality in females characterized by failure of the ovaries to respond to pituitary hormone stimulation as a consequence of having complete or partial absence of the two sex (X) chromosomes. ...
Read More »Schizophrenia
What Is Schizophrenia? Schizophrenia is a thought disorder characterized by psychotic symptoms and inappropriate and bizarre behavior. Schizophrenia involves dysfunction in any of these areas: Cognition which are thinking skills that include intellect, language, mathematical ability, memory, perception, reasoning, judgment, ...
Read More »Bone Alkaline Phosphatase (BALP), Elevated
What Is Elevated Bone Alkaline Phosphatase? Elevated bone alkaline phosphatase (BALP) is a laboratory result that indicates an abnormal blood level of this bone enzyme. A bone alkaline phosphatase blood level is one of the most frequently used biochemical markers of ...
Read More »Angina Pectoris
What Is Angina Pectoris? Angina pectoris, or simply angina, is a coronary syndrome characterized by an oppressive substernal pain (pain under breastbone) or pressure brought on by exertion and relieved by rest that results from failure of coronary arteries to ...
Read More »Secondary Hyperparathyroidism
What Is Secondary Hyperparathyroidism? Secondary hyperparathyroidism is a parathyroid disorder resulting from hypocalcemia (low blood calcium level) that is characterized by excessive production of parathyroid hormone in the attempt to normalize the low blood calcium by releasing calcium from bone. ...
Read More »Hypokalemia (Low Potassium Blood Level)
What Is Hypokalemia? Hypokalemia means the level of potassium in the bloodstream is too low to meet metabolic needs of the body for this mineral and is characterized by metabolic acidosis, altered nerve conduction and muscle contraction. Rapid potassium loss can ...
Read More »Delayed Puberty in Boys
What Is Delayed Puberty in Boys? Delayed puberty in boys is characterized by lack of growth and functional activity of the male gonads, called testes or testicals, to produce testosterone by age 14 and failure to grow pubic hair by age 15. ...
Read More »Antiphospholipid Syndrome
What Is Antiphospholipid Syndrome? Antiphospholipid syndrome (APS) is an autoimmune disease and a blood clotting disorder characterized by these clinical and laboratory criteria: Clinical criteria – recurrent vascular thrombosis (clots in veins/arteries) from hypercoagulability (abnormal excessive clotting) and/or recurrent complications of ...
Read More »Plummer-Vinson Syndrome Affecting Esophagus
What Is Plummer-Vinson Syndrome Affecting the Esophagus? Plummer-Vinson syndrome is a manifestation of severe, long-term, iron deficiency anemia that is characterized by post-cricoid esophageal webs and dysphagia. Q: What are esophageal webs? A: Esophageal webs are one or more thin ...
Read More »Abscess Formation Causing Lung Cavities
What Is Abscess Formation Causing Lung Cavities? Abscess formation and subsequent lung cavities that develop from necrosis (death) of affected lung tissue constitute severe life-threatening respiratory disease of the lung. Q: What is the difference between lung abscess and lung ...
Read More »Selenium Deficiency
What Is Selenium? Selenium is a mineral that is required by the body in trace amounts for a healthy immune system, normal thyroid function, and antioxidant protection. Selenium is absolutely required in the production of at least 30 selenoproteins in the ...
Read More »Coronary Artery Disease
What Is Coronary Artery Disease (CAD)? Coronary artery disease (CAD), also called ischemic heart disease, is a gradual narrowing of medium and large arteries of the heart by fatty buildups, called atherosclerotic plaques. It is characterized by slowly developing interference with blood flow to heart ...
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