Syncope

1. Cardiogenic

2. Neurogenic

3. Orthostatic hypotension

3.1. Neurogenic

3.1.1. Autonomic failure

3.1.1.1. Neurodegenerative disease

3.1.1.1.1. MSA

3.1.1.1.2. Parkinson disease

3.1.1.1.3. Dementia with Lewy body

3.1.1.2. Autonomic neuropathy

3.1.1.2.1. Metabolic

3.1.1.2.2. Paraneoplastic

3.1.1.2.3. Infective

3.1.1.2.4. Inflammatory

3.1.1.2.5. Inflitrative

3.1.1.2.6. Hereditary

3.2. Non-neurogenic

3.2.1. Volume depletion

3.2.2. Drugs

3.2.3. Adrenal insufficiency