Paroxysmal supraventricular tachycardia
Diagnosis
| Sx | Sinus Tach | SVT |
| Hx | volume loss | sudden onset |
| PE | dehydated | CHF-like |
| *HR | <180 | >180 |
| Variability | Yes | No |
*In infants HR cuttoff = 220
Treatment
*Skip to cardioversion is unstable
1) Vagal manuvers
2) Adenosine
-6mg IVP (fast)
-12mg IVP�(fast)
-12mg IVP (fast)
3) CCB (Verapamil or dilt) or BB (metoprolol or esmolol)
4) Cardioversion (sync) 0.5-1.0 J/kg
See Also
Cards:� VTach vs Abberant SVT
Source
2/23/06 DONALDSON (adapted from Rosen), UpToDate
Sx Sinus Tach SVT Hx volume loss sudden onset PE dehydated CHF-like
- HR <180 >180
Variability Yes No
- In infants HR cuttoff = 220
Treatment
- Skip to cardioversion is unstable
1) Vagal manuvers
2) Adenosine
-6mg IVP (fast)
-12mg IVP (fast)
-12mg IVP (fast)
3) CCB (Verapamil or dilt) or BB (metoprolol or esmolol)
4) Cardioversion (sync) 0.5-1.0 J/kg
See Also
Cards: VTach vs Abberant SVT
Source
2/23/06 DONALDSON (adapted from Rosen), UpToDate