17 Ventricular arrhythmias (PVCs)

Question 1

PVCs - premature ventricular complexes

___ QRS complexes
- simple - isolated single PVS
- couplets
- every 2nd beat ( ___ )
- every 3rd beat ( ___ )
- every 4th beat ( ___ )
- frequent (at least 1 PVC on 12 lead ECG, > 30 PVCs/hour)

Answer 1

wide
bigeminy
trigeminy
quadrigeminy

Question 2

PVS

mechanism
- increased ___ of ventriculat muscle cells/ ___ fibers

risk factors
- ISHD
- MI
- anemia
- hypoxia
- cardiac surgery

Answer 2

automaticity, Purkinje

Question 3

PVC

symptoms
- usually ___

frequent/repetitive PVCs
- palpitations
- dizziness
- lightheadedness

Answer 3

asymptomatic

Question 4

PVC treatment

asymptomatic PVCs should not be treated

symptomatic PVCs in patients who do not have CAD or HF
- ___ , __ , or ___
- if unresponsive - antiarrhythmic medication

treatment of frequent symptomatic PVCs (unresponsive to above drugs)
- catheter ablation

Answer 4

• BB, dilt, verap

Question 5

PVC treatment

treatment of symptomatic PVCs in patients with CAD
- ___ , __ , or ___
- if unresponsive - antiarrhythmic medication

treatment of symptomatics PVCs in patients who have HF
- ___

Answer 5

• BB, dilt, verap
• BB