ARRHYTHMIAS-SVT

SUMMARY

1. Supraventricular tachycardia (S VT) refers to narrow QRS complex tachycardias originating above the ventricles.
2. Three types: AV node re-entrant tachycardia, AV re-entrant tachycardia, atrial tachycardia.
3. Rate is typically 150-250 bpm.
4. Medical management: beta-blockers, CCB, digoxin, adenosine, carotid sinus massage (ensure there is no thrombus or stenosis).
5. Radiofrequency ablation: hemodynamic instability, severe symptoms, failed medical therapy, for pilots & bus drivers), patient preference.

Reference(s)

Wilkinson, I., Furmedge, D. and Sinharay, R. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press. Get it on Amazon.
Feather, A., Randall, D. and Waterhouse, M. (2020). Kumar And Clark’s Clinical Medicine. 10th ed. S.L.: Elsevier Health Sciences. Get it on Amazon.
Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
Therapeutic Guidelines. Melbourne: Therapeutic Guidelines Limited. https://www.tg.org.au [Accessed 2021].