Exam 3 review

Question 1

Most common type of ventricular arrythmia?

Answer 1

Sinus Tachycardia

Question 2

Sinus Tachycardia BPM?

Answer 2

> 100 bpm

Question 3

Sinus Tachycardia #1 tx?

Answer 3

Valsalva

Question 4

Does SVT have P-waves?

Answer 4

NO!

Question 5

Rate of SVT?

Answer 5

150-250bpm

Question 6

What type of beat initiates SVT?

Answer 6

Premature supracentricular beat (atrial or junctional)

Question 7

SVT driven by what type of circuit?

Answer 7

Reentrant circuit looping within AV-node (AVNRT)

Question 8

3 causes of SVT?

Answer 8

1. Alcohol
2. Coffee
3. Excitement

Question 9

First tx for SVT? Second?

Answer 9

First=valsalva

Second=adenosine

Question 10

QRS-complex of SVT narrow or wide?

Answer 10

Narrow

Question 11

Most common form of SVT?

Answer 11

AVNRT

Question 12

Where in heart does AVNRT originate from?

Answer 12

AV-node or ventricles

Question 13

Does AVNRT have a P-wave? Why?

Answer 13

No. Originates outside of SA-node so no P-wave!

Question 14

AVNRT onset and cessation?

Answer 14

Sudden onset, sudden cessation

Question 15

What does AVNRT feel like?

Answer 15

Like heart pounding out of chest

Question 16

AFib regular or irregular rhythm?

Answer 16

Irregular

Question 17

AFib have P-waves?

Answer 17

No!

Question 18

AFib QRS-complex wide or narrow?

Answer 18

Narrow

Question 19

AFib have multiple _______ circuits

Answer 19

Multiple reentry circuits

Question 20

5 conditions associated with AFib?

Answer 20

1. HTN
2. Mitral valve dz
3. PE
4. Thyrotoxicosis
5. Pericarditis

Question 21

Where does an ectopic rhythm originate from?

Answer 21

Focus other than SA-node

Question 22

What is WPW’s waveform called?

Answer 22

“Delta-wave”

Question 23

WPW’s bundle called?

Answer 23

“Bundle of Kent”

Question 24

Is WPW due to a small or large area of premature ventricular depolarization?

Answer 24

Small

Question 25

What 2 types of AVRT can WPW result in?

Answer 25

1. Orthodromic AVRT

2. Antidromic AVRT

Question 26

Most important reason to recognize WPW?

Answer 26

ASx and can result in sudden cardiac death?

Question 27

Which arrythmia in combo with WPW can degrade into VFib and death?

Answer 27

AFib

Question 28

8 indications for pacemaker?

Answer 28

1. Symptomatic bradycardia
2. Conduction disorders in throes of MI
3. 2º Mobitz Type II
4. 3º complete heart block
5. Pauses > 3 second
6. Sick Sinus Rhythm
7. Afib w/RVR
8. Recurrent tachyarrythmia