Nightmare

The Nightmare

The Nightmare is a 1781 oil painting by Anglo-Swiss artist Henry Fuseli.

 It shows a woman in deep sleep with her arms thrown below her, and with a demonic and apelike incubus crouched on her chest.

Stay Down On Seeing Demons: Syncope

Neural Mediated Reflex Syncope: High In Prevalence

Triggers

Stress causes an abnormal autonomic reflex

Pain or Fear: Neurally mediated reflex syncope

Loss of balance between sympathetic and parasympathetic tone 

Known Components: Neurally Mediated Reflex Syncope

Vasovagal Syncope

Stress/Strong Emotion: Peripheral Vasodilation - Decreased blood return to heart

Decreased blood return to heart - Decreased Blood Pressure: Syncope

Situational Syncope

Carotid Sinus 

Carotid Sinus Hypersensitivity

Carotid sinus pressure causes a reflex decrease in heart rate

Snapshot

Feeling Is All 

Syncope