Atrioventricular Nodal Reentry Tachycardia (AVNRT)
Etiology:
A reentry circuit in the AV node depolarizes the atrium and ventricle simultaneously
ECG Findings:
- P wave is often buried in QRS or shortly after
- Rate 150-250 bpm
Treatments:
- Valsalva
- Carotid massage
- Adenosine
- Cardioversion if hemodynamically unstable
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