Transient loss of consciousness (TLOC): causes
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Transient loss of consciousness (TLOC): causes. Hypertrophic cardiomyopathy. Fully referenced neurology checklist.
Cardiac causes
- Hypertrophic cardiomyopathy
- Arrhythmogenic right ventricular dysplasia
- Severe ischemic left ventricular dysfunction
- Congenital heart defect
- Left atrial myxoma
- Pulmonary embolism
- Cardiac arrhythmias
Reflex causes
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Other causes
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Causes of nocturnal TLOC
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References
- Petkar S, Cooper P, Fitzpatrick AP. How to avoid a misdiagnosis in patients with transient loss of consciousness. Postgrad Med J 2006; 82:630-641.
- Brignole M, Moya A, de Lange FJ, et al; ESC Scientific Document Group. 2018 ESC Guidelines for the diagnosis and management of syncope. Eur Heart J 2018; 39:1883-1948.
- Marrison VK, Parry SW. A case of nocturnal fainting: supine vasovagal syncope. Europace 2007; 9:835-836.
- Raj PL, Sheldon RS, Lorenzetti D, Jardine DL, Raj SR, Vandenberk B. Sleep syncope - a systematic review. Front Cardiovasc Med 2022; 9:973368.
