Syncope

Question 1

What is syncope

Answer 1

Transient loss of consciousness due to cerebral hypoperfusion (inadequate blood to brain)

Question 2

Reflex syncope

Answer 2

Umbrella term for actions that lead to a decreased CO and SVR, therefore decreased MAP and syncope

Question 3

3 types of reflex syncope

Answer 3

Vasovagal, situational reflex, carotid sinus

Question 4

Vasovagal syncope

Answer 4

Faint triggered by emotional distress

Question 5

Situational reflex syncope

Answer 5

Faint during/immediately after an event (cough)

Question 6

Carotid sinus syncope

Answer 6

Mechanical manipulation of the neck or compression of the carotid sinus

Question 7

Postural/orthostatic hypertension

Answer 7

Failure of baroreceptor reflex to respond to gravitational shifts in blood when moving from vertical to horizontal position, therefore drop in BP and syncope

Question 8

Cardiac syncope

Answer 8

A cardiac event that causes a sudden drop in CO