Diferencia entre revisiones de «Third degree AV block»
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==Diagnosis== | ==Diagnosis== | ||
[[ | [[File:Rhythm 3rdAVblock.png|thumbnail]] | ||
*No atrial impulses are conducted | *No atrial impulses are conducted | ||
**P waves normal and regular P-P intervals unrelated to slower regular R-R intervals | **P waves normal and regular P-P intervals unrelated to slower regular R-R intervals | ||
Revisión del 07:51 2 nov 2015
Background
- Atria and ventricles beat independently from each other
- Congenital or acquired
- Acquired
- Ischemia
- Drugs
- Structural heart disease
Clinical Features
- Dizziness
- Syncope
- Hypotension
Diagnosis
- No atrial impulses are conducted
- P waves normal and regular P-P intervals unrelated to slower regular R-R intervals
- QRS narrow if block above bundle of His
- QRS wide if block below bundle of His
- PR variable
Management
- Pacemaker placement