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Glossary for Orthostatic intolerance

  • Anxiety: A feeling of apprehension, and fear without apparent stimulus that is associated sometime with somatic responses
  • Blood pressure conditions: Medical disorders of the blood pressure, including high and low blood pressure.
  • Circulatory system conditions: Medical conditions affecting the heart and the circulatory system.
  • Dizziness: Feelings of lightheadedness or giddiness.
  • Fatigue: Excessive tiredness or weakness.
  • Headache: In medicine a headache or cephalalgia is a symptom of a number of different conditions of the head and sometimes neck. Some of the causes are benign while others are medical emergencies. It ranks among the most common pain complaints
  • Hyperpnea: A condition characterized by an abnormal increase in the depth and rate of ones respiration
  • Low blood pressure: Blood pressure that is too low
  • Mitral valve prolapse syndrome: A rare condition where an abnormal heart valve (mitral vavle) fails to close properly and allows some blood to leak through.
  • Sweating: Sweating more than normal
  • Syncope: Temporary loss of conciousness or fainting.


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