Page 288 - PJ MED OPS Handbook 8th Ed
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PALS Tachycardia
          Pediatric Tachycardia With a Pulse Algorithm

                                    Initial assessment and support  Doses/Details
                                • Maintain patent airway; assist breathing as necessary
                                                               Synchronized
                                • Administer oxygen
                                                               cardioversion
                                • Cardiac monitor to identify rhythm; monitor pulse,
                                                               Begin with 0.5-1 J/kg;
                               blood pressure, and oximetry    if not effective, increase
                                • IV/IO access                 to 2 J/kg. Sedate if
                                • 12-Lead ECG if available     needed, but don’t delay
                                                               cardioversion.
                                                               Drug Therapy
               Probable sinus
               tachycardia if                                  Adenosine IV/IO dose
                                       Evaluate rhythm
              • P waves present/normal                           • First dose: 0.1 mg/kg
                                       with 12-lead ECG
              • Variable RR interval                            rapid bolus (maximum:
                                         or monitor.
              • Infant rate usually <220/min                    6 mg)
                                                                 • Second dose:
              • Child rate usually <180/min
                                                                0.2 mg/kg rapid bolus
                                                                (maximum second
                                                                dose: 12 mg)
                                       Cardiopulmonary
               Search for
                                        compromise?
              and treat cause.  Yes                  No
                                          • Acutely altered
                                        mental status
                                          • Signs of shock
                                          • Hypotension
                Narrow           Wide             Narrow           Wide
               (≤0.09 sec)     (>0.09 sec)       (≤0.09 sec)     (>0.09 sec)
                        Evaluate                          Evaluate
                      QRS duration.                     QRS duration.
            Probable supraventricular    Possible ventricular    Probable supraventricular    Possible ventricular
                tachycardia     tachycardia     tachycardia      tachycardia
              • P waves absent/abnormal       • P waves absent/abnormal
              • RR interval not variable      • RR interval not variable
              • Infant rate usually ≥220/min    • Infant rate usually ≥220/min
              • Child rate usually ≥180/min    • Child rate usually ≥180/min
              • History of abrupt rate change  Synchronized      • History of abrupt rate change  If rhythm is regular and
                               cardioversion                   QRS monomorphic,
                              Expert consultation              consider adenosine.
                               is advised before
                               additional drug
              • If IV/IO access is present,    therapies.  Consider
            give adenosine                     vagal maneuvers.
                  or
                                                               Expert consultation
              • If IV/IO access is not
                                                                is recommended.
            available, or if adenosine
            is ineffective, perform
            synchronized cardioversion          If IV/IO access
                                                is present, give
                                                 adenosine.
          © 2020 American Heart Association
       286  n  Pararescue Medical Operations Handbook / 8th Edition
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