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LOPRESSOR 5 mg IV Q 5 min5 DILTIAZEM3 0.25 mg/kg IV (May repeat at 0.35 mg/kg in 15 min if... Observe IV NS ATRIAL FIB, ATRIAL FLUTTER, or MAT Obtain/review EKG if... SVT Obtain/review EKG if available AMIODARONE 150 mg (1 amp) IV gtt over 10 min (15 mg/min) ADENOSINE 6 mg (child - 0.1 mg/kg) rapid IV push (1-3 sec) with... Attempt Valsalva maneuver2 IV NS (antecubital preferred) 1. Unstable symptoms: SBP < 90, dyspnea, chest pain,... 1. Unstable symptoms: SBP < 90, dyspnea, chest pain,... 1. Unstable symptoms: SBP < 90, dyspnea, chest pain,... Consider pharmacological therapy (See Stable SVT... Synchronized cardioversion @ 100 J, 150 J, 200 J, as indicated... UPDATE MEDICAL CONTROL UPDATE MEDICAL CONTROL UPDATE MEDICAL CONTROL CONSIDER SEDATION See Sedation Protocol IV/IO NS Routine Medical Assessment