AF management-see chegg for more

Question 1

AF reduces CO by how what proportion due to the lack of proper ventricle priming by atria?

Answer 1

10-20%

Question 2

What is the definition of AF?

Answer 2

An irregularly irregular atrial rhythm at around 300bpm transmitted intermittently by the AVN

Question 3

First three things to do if acutely unwell/haemodynamically unstable

Answer 3

Give oxygen, take U+Es, emergency cardioversion (IV amiodarone if unavailable)

Question 4

Should treatment be postponed in order to administer anti coagulation?

Answer 4

No

Question 5

What else other than the first 3 steps and anti coagulation should be done?

Answer 5

Treat associated illness (eg pneumonia) and rate control

Question 6

What is first line drug therapy for ventricular rare control?

Answer 6

Vermapril or bisoprolol

Question 7

What is 2nd line treatment for ventricular rhythm control?

Answer 7

Digoxin or amiodarone

Question 8

What should you use for anti coagulation?

Answer 8

LMWH

Question 9

Why use LMWH?

Answer 9

Means that cardioversion can still be done

Question 10

How long is the period in which you can carry out cardioversion Fter onset?

Answer 10

48 hours (can do after if echo shows no thrombi)

Question 11

How is cardioversion carried out?

Answer 11

O2- ITU - sedation - shock (200,360,360J if monophasic) (200J if biphasic) or amiodarone

Question 12

What are the main goals for pe remnant AF treatment?

Answer 12

Rate control and anti coagulation

Question 13

When might rhythm control be more important?

Answer 13

If young, AF from corrected cause, symptomatic or presenting for 1st time with idiopathic “lone” AF