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722 Possible Causes for Giddiness and Lightheadedness, Severe Recurrent Orthostatic Hypotension, Unconscious State

  • Syncope

    However, a syncopal episode associated with normal sinus rhythm may be due to several disorders such as orthostatic hypotension, vasovagal or carotid sinus reflexes, or even[] ., giddiness, lightheadedness, tunnel vision, nausea, spots in the vision).[] Unconsciousness is a state which occurs when the ability to maintain an awareness of self and environment is lost.[]

  • Hypotension

    Effects of orthostatic hypotension on cognition in Parkinson disease. Neurology 2017, 88:17-24 Connolly S and others.[] Pacemaker therapy for prevention of syncope in patients with recurrent severe vasovagal syncope. Jama 2003:289:2224-2229 Freeman R, Young J, Landsberg L, Lipsitz L.[]

  • Hypoglycemia

    Severe symptoms can include impaired vision, confusion, seizures, and unconsciousness.[] The severe symptoms alter the person’s mental state, sometimes preventing them from consuming more sugar.[]

    Missing: Severe Recurrent Orthostatic Hypotension
  • Anemia

    INTRODUCTION Table 1 Etiopathogenic classification of anemia. Regenerative anemia Acute or chronic bleeding Hemolytic anemia Hereditary (hemoglobinopathy, enzymopathy, membrane-cytoskeletal defects) Acquired (autoimmune, mechanical destruction, toxic-metabolic, drugs, infectious, PNH, hypersplenism) Hypo-regenerative[…][]

    Missing: Severe Recurrent Orthostatic Hypotension
  • Vasovagal Syncope

    Continue to be unconscious throughout seizure.[] On two occassions I woke up at end of seizure and experienced a hellish state of confusion, random thoughts and fear that cannot be matched by any other experience.[]

    Missing: Severe Recurrent Orthostatic Hypotension
  • Cardiac Arrhythmia

    Cardiac arrhythmia is characterized by abnormal heart rate or rhythm. It typically refers to a condition, where in the electrical activity that regulates heartbeat is irregular, slow or fast. In many instances, cardiac arrhythmia may not produce any signs or symptoms. An abnormal heart rhythm gets diagnosed during[…][]

    Missing: Severe Recurrent Orthostatic Hypotension
  • Hypoxia

    Continued oxygen deprivation at those types of altitude leads to an unconscious state and ultimately death.[] In severe cases of anoxia and hypoxia, from any cause, the patient is often stuperous or comatose (in a state of unconsciousness) for periods ranging from hours to days, weeks[]

    Missing: Severe Recurrent Orthostatic Hypotension
  • Anaphylaxis

    Anaphylaxis is a rapidly progressing, life-threatening allergic reaction. The symptoms of anaphylaxis usually occur within minutes of exposure to an allergen. Symptoms usually vary in severity. Sometimes they only cause mild itching or swelling, but in some people they can be severe and life threatening. The symptoms of[…][]

    Missing: Severe Recurrent Orthostatic Hypotension
  • Congenital Aortic Valve Stenosis

    Abstract We evaluated dilation technique (n 80) and aortic valve morphology by two-dimensional echocardiography (n 58) in patients with congenital aortic valve stenosis to determine their influence on outcome. Patients' age (9 /- 9 years; range, 1 day-39 years) and a history of surgical valvotomy did not influence[…][]

    Missing: Severe Recurrent Orthostatic Hypotension
  • Insulinoma

    The delayed diagnosis of insulinoma remains a clinical issue. One of the main causes of such a delay is hypoglycemia unawareness. A 53-year-old woman fell unconscious during postprandial exercises. Flash glucose monitoring (FGM) systems revealed glucose profiles with fasting hypoglycemia, which facilitated the clinical[…][]

    Missing: Severe Recurrent Orthostatic Hypotension