Cardiac arrest
Sudden, unexpected loss of heart function, breathing, and consciousness.
- Requires a medical diagnosis
- Lab tests or imaging always required
- Critical: needs emergency care
Cardiac arrest usually results from an electrical disturbance in the heart. It's not the same as a heart attack.
Common: More than 200,000 US cases per year
Consult a doctor for medical advice
Sources: Mayo Clinic and others. Learn more
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