Syncope

Question 1

How can the causes of syncope be classified?

Answer 1

Cardiac vs. non-cardiac

Question 2

What are the cardiac causes of syncope?

Answer 2

Either:

• Structural heart disease, e.g. AS, HOCM
• Arrythmias (tachy/brady)`

Question 3

What are the non-cardiac causes of syncope? How can these causes be classified?

Answer 3

Neurological, vasomotor or metabolic:

• Neurological, e.g. TIA
• Vasomotor: vasovagal or postural hypotension
• Metabolic: hypoxia or hypoglycaemia