Blackouts may refer to “consciousness blackouts” with fainting or decreased level of consciousness, or they may refer to “memory blackouts” with memory loss. Blackouts resulting from fainting or syncope have a variety of causes such as brain disorders (e.g. stroke) or circulatory disorders (e.g. low blood pressure).
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Specific Causes of Blackouts
Long QT syndrome: blackouts or fainting, because the heart has stopped pumping blood properly and the brain is temporarily starved of oxygen - the heart's rhythm returns to normal within a minute or two and the person regains consciousness
...Source: NHS Choices UK
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Causes List for Blackouts
Possible causes of Blackouts (or similar symptoms) may include:2
- AL amyloidosis (fainting)
- Abdominal Aortic Aneurysm (fainting, passing out)
- Abnormal Heart Murmurs (fainting)
- Acute Respiratory Distress Syndrome (feeling faint)
- Acute carbon monoxide poisoning (lose consciousness, loss of consciousness)
- Adder snake bite (fainting)
- Addison’s Disease (fainting, faintness, loss of consciousness ...
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- Source: NHS Choices UK: nhs.uk/ conditions/ long-qt-syndrome/
- Source: Algorithmically Generated List
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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.