Vasovagal syncope

Question 1

Vasovagal syncope?

Answer 1

Loss of consciousness due to a transient drop in blood flow to the brain caused by excessive vagal discharge.

Question 2

Vasovagal syncope risk factors?

Answer 2

precipitated by emotions, orthostatic stress.

Question 3

Vasovagal syncope epidemiology?

Answer 3

very common, affects 40% of people.

Question 4

Vasovagal syncope symptoms?

Answer 4

loss of consciousness lasting a short time, patients may experience vagal symptoms (dizziness, sweating, light headedness) before passing out.

Question 5

Vasovagal syncope signs?

Answer 5

no signs

Question 6

Vasovagal syncope investigations (4)?

Answer 6

ECG to check for arryhtmia, echocardiogram to check for outflow obstruction, lying/standing BP to check for orthostatic hypotension, fasting blood glucose to check for DM.