Neurocardiogenic syncope

Clinical features

• There is little or no prodrome in a third of cases
• It may occur without a provoking factor
• It may occur with relatively insignificant falls in blood pressure
• The blood pressure decline may be gradual
• The blackout may be rapid
• Amnesia for loss of consciousness

Triggers

Differential diagnosis

Synonym

References

1. Grubb BP. Neurocardiogenic syncope and related disorders of orthostatic intolerance. Circulation 2005; 111:2997-3006.
2. Rosanio S, Schwarz ER, Ware DL, Vitarelli A. Syncope in adults: systematic review and proposal of a diagnostic and therapeutic algorithm. Int J Cardiol 2013; 162:149-157.
3. O'Dwyer C, Bennett K, Langan Y, Fan CW, Kenny RA. Amnesia for loss of consciousness is common in vasovagal syncope. Europace 2011; 13:1040-1045.
4. Graham LA, Kenny RA. Clinical characteristics of patients with vasovagal reactions presenting as unexplained syncope. Europace 2001; 3:141-146.

Related checklists

• Syncope: classification
• Cardiac syncope
• Carotid sinus hypersensitivity (CSH)
• Sudden neurocardiogenic syncope
• Nocturnal supine vasovagal syncope
• Exertional syncope
• Brugada syndrome
• Deglutition syncope
• Supine hypertension-orthostatic hypotension (SH-OH) syndrome
• Miscellaneous syncope types