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Asystole
- See Also
- Ventricular Fibrillation
- Pulseless Ventricular Tachycardia
- Guidelines 2000 CPR and Emergency Cardiovascular Care
- Causes
- Hypoxia
- Hypothermia
- Hyperkalemia
- Hypokalemia
- Preexisting acidosis
- Drug Overdose
- Pediatric Management
- Continue CPR
- Endotracheal Intubation immediately
- Obtain IV Access
- Confirm Asystole in more than one lead
- Consider Asystole causes as above
- Hyperventilate with 100% oxygen
- Epinephrine q3-5 minutes
- First Dose
- 0.01 mg/kg IV/IO (0.1 ml/kg of 1:10,000)
- 0.1 mg/kg ET (0.1 ml/kg of 1:1000)
- Subsequent doses
- 0.1 mg/kg IV/IO/ET (0.1 ml/kg of 1:1000)
- Consider Transcutaneous Pacing
- Use pediatric electrodes if less than 15 kg
- Adult Management
- Continue CPR
- Endotracheal Intubation immediately
- Obtain IV Access
- Confirm Asystole in more than one lead
- Consider Asystole causes as above
- Consider immediate Transcutaneous Pacing
- Epinephrine 1 mg IV push q3-5 minutes
- Consider Vasopressin as alternative
- Dose 40 Units IV for single, one time dose
- Considered superior to Epinephrine in Asystole
- Zepf (2003) N Engl J Med 350:105
- Atropine 1 mg IV q3-5 minutes to max total 0.04 mg/kg
- Consider termination of efforts
- Asystole refractory to above measures
- No reversible causes identified
Cardiac Arrest (C0018790)
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| Definition (MSH) | Cessation of heart beat or MYOCARDIAL CONTRACTION. If it is treated within a few minutes, heart arrest can be reversed in most cases to normal cardiac rhythm and effective circulation. |
| Definition (CSP) | cessation of the heart beat. |
| Definition (NCI) | Cardiac standstill or arrest; absence of a heartbeat. |
| Definition (NCI) | Sudden cessation of the pumping function of the heart, with disappearance of arterial blood pressure, connoting either ventricular fibrillation or ventricular standstill. |
| Definition (NCI) | Sudden cessation of the pumping function of the heart, with disappearance of arterial blood pressure, connoting either ventricular fibrillation or ventricular standstill. |
| Concepts | Pathologic Function (T046)
|
| ICD9 | 427.5 |
| English | ARREST CARDIAC, Asystole, Asystoles, Cardiac Arrest, CARDIAC ASYSTOLE, Cardiac standstill, Heart Arrest, STANDSTILL CARDIAC, VENTRICULAR ASYSTOLIA |
| Spanish | asÃstole, asistole, asistolia, paro cardÃaco, paro cardiaco |
| Credits | Derived from the NIH UMLS (Unified Medical Language System)
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