Arrythmias

Question 1

Is long QT syndrome congenital or acquired?

Answer 1

Could be either

Question 2

What is a normal QT for men?

Answer 2

Below 450 ms

Question 3

What is a normal QT for women?

Answer 3

Below 470 ms

Question 4

In torsades, what do you want to increase the HR to?

Answer 4

100

Question 5

What is the tx for torsades?

Answer 5

2g IV magnesium

Question 6

Can torsades be paced?

Answer 6

Yes

Question 7

What is the first line tx for long QT?

Answer 7

Beta blockers

Question 8

Should a cardiac defibrillator be used in prolonged QT?

Answer 8

Yes

Question 9

Bradycardia increases the risk of what arrythmia?

Answer 9

Torsades

Question 10

You must anticoagulate a pt in afib prior to cardioversion if they have been in afib for how long?

Answer 10

Greater than 48 hours

Question 11

What does it mean to say that a pacemaker is “oversensing”?

Answer 11

That it thinks it sees an intrinsic beat so doesn’t fire, but there is no intrinsic beat

Question 12

What does it mean to say a pacemaker is “undersensing”?

Answer 12

There is an intrinsic beat that it doesn’t see, so it fires inappropriately

Question 13

What is noncapture with a pacemaker?

Answer 13

Pacer fires but heart does not respond