Neurocardiogenic syncope symptoms

Neurocardiogenic Syncope Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Triggers

Vasovagal syncope may be precipitated by:

• The sight of blood
• Loss of blood
• Sudden stressful or painful experiences
• Surgical manipulation
• Trauma

Prodrome

Prior to the syncopal episode, patients may complain of a prodome consisting of:

• Nausea
• Diaphoresis
• Lightheadedness
• Blurred vision
• Headache
• Palpitations
• Paraesthesia
• Pallor

The symptoms usually occur in the upright position and resolve almost immediately when the patient assumes the supine position. In the upright position there is "downward" displacementof 300-800 cc of blood.

Recovery Phase

• “Washed out” and tired feeling