Narrow Regular Stable
Narrow Stable
Tachycardia
Consider Expert Consult
Convert
Vagal Maneuver
or
Adenosine
6 mg
IV push
Repeat 12 mg
IV push
Expect Transient
Complete Heart block
Be prepared to run rhythm strip
If converts with adenosine
Likely was reentry SVT
Rate Control
with
Beta Blockers
Metoprolol
5 mg IV over 5 minutes
MR x 3 up to 15 mg total
or
or
Esmolol
10 to 30 mg IV
Drip 50 to 200 mcg/kg/min
or
Atenolol
5 mg IV over 5 minutes
May repeat in 10 minutes
Rate Control
with
Calcium Channel Blockers
Diltiazem
5 to 10 mg bolus or
15 to 20 mg (0.25 mg/kg) over 2 minutes
Repeat 20 to 25 mg (0.35 mg/kg)
Drip 5 to 15 mg/hour (D5W or NS)
or
Verapamil
2.5 to 5 mg q 5 min
up to 20 mg
Giving Both
Calcium Channel and Beta Blockers
Can Cause
Complete Heart Block
