SVT Flashcards
1
Q
Explain the pathophysiology of SVT
A
Electrical signals re-enter the atria and by-pass the SAN and travel to the AVN, causing ventricular contraction.
2
Q
What are the clinical features of SVT?
A
Main features is elevated HR for a few minutes or several hours
3
Q
SVT is a narrow or broad-complex tachycardia
A
Narrow-complex <0.12s
4
Q
Look at the ECG features of SVT
A
Narrow complex tachycardia <0.12s
P and T waves are together in one
5
Q
How to manage a patient in SVT? (Stable)
A
- Valsalva manoeuvre
- Carotid sinus massage
- IV adenosine
- Electrical cardioversion
6
Q
What are the adverse signs you should look out for which would suggest unstable SVT which needs to be managed by electrical cardio version?
A
Shock
Syncope
Myocardial Ischaemia
Heart failure
7
Q
How do you manage unstable SVT?
A
Electrical cardio version
