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Unstable Tachycardia
- See Also
- Guidelines 2000 CPR and Emergency Cardiovascular Care
- Signs
- Rapid Heart Rate
- Poor Perfusion
- Differential Diagnosis
- Pulseless Electrical Activity
- Narrow Complex Tachycardia
- Irregular Supraventicular Tachycardia
- Atrial Fibrillation
- Regular Supraventricular Tachycardia
- Sinus Tachycardia (rarely >150 in adults)
- Paroxysmal Supraventricular Tachycardia (PSVT)
- Atrial Flutter
- Atrial rate: 300 bpm
- Ventricular rate most commonly 2:1 = 150 bpm
- Wide Complex Tachycardia
- Ventricular Tachycardia
- Supraventricular Tachycardia with aberrancy
- Management (Same initial approach for all ages)
- ABC Management
- Mnemonic: IV-O2-Monitor
- Obtain IV Access
- Oxygen Delivery
- Cardiopulmonary monitor
- Additional evaluation
- Vital signs
- History
- Exam
- Electrocardiogram
- Chest XRay
- If signs of immediate failure present:
- Pulse Present and NOT Sinus Tachycardia
- Prepare for immediate Synchronized Cardioversion
- Brief trial of medications if no delay
- Pulse Absent
- Asystole
- Pulseless Electrical Activity
- Ventricular Tachycardia
- Ventricular Fibrillation
- Assess QRS Duration
- IF QRS Duration normal (<0.08 s)
- Narrow Complex Tachycardia
- IF QRS Duration wide (>0.08 s)
- Wide Complex Tachycardia
- References
- (2000) Circulation, 102(Suppl I):86-9
- http://www.circulationaha.org
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